Home / 53,760.40-74,191.88-29,887.47

Finding the Fourth Proportional to 53,760.40, 74,191.88 and 29,887.47

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Solution

The fourth proportional to 53,760.40, 74,191.88 and 29,887.47 is: 41,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.40 : 74,191.88 = 29,887.47 : x
  2. Step 2: Convert to fraction form
    53,760.40/74,191.88 = 29,887.47/x
  3. Step 3: Cross multiply
    53,760.40x = 74,191.88 × 29,887.47
  4. Step 4: Simplify right side
    53,760.40x = 2,217,407,587.74
  5. Step 5: Solve for x
    x = 2,217,407,587.74/53,760.40
  6. Step 6: Final answer
    x = 41,246.12

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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.