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Finding the Fourth Proportional to 53,117.48, 73,204.48 and 49,746.76

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Solution

The fourth proportional to 53,117.48, 73,204.48 and 49,746.76 is: 68,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.48 : 73,204.48 = 49,746.76 : x
  2. Step 2: Convert to fraction form
    53,117.48/73,204.48 = 49,746.76/x
  3. Step 3: Cross multiply
    53,117.48x = 73,204.48 × 49,746.76
  4. Step 4: Simplify right side
    53,117.48x = 3,641,685,697.48
  5. Step 5: Solve for x
    x = 3,641,685,697.48/53,117.48
  6. Step 6: Final answer
    x = 68,559.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.