Home / 53,105.57-73,277.29-30,440.19

Finding the Fourth Proportional to 53,105.57, 73,277.29 and 30,440.19

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Solution

The fourth proportional to 53,105.57, 73,277.29 and 30,440.19 is: 42,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,105.57 : 73,277.29 = 30,440.19 : x
  2. Step 2: Convert to fraction form
    53,105.57/73,277.29 = 30,440.19/x
  3. Step 3: Cross multiply
    53,105.57x = 73,277.29 × 30,440.19
  4. Step 4: Simplify right side
    53,105.57x = 2,230,574,630.29
  5. Step 5: Solve for x
    x = 2,230,574,630.29/53,105.57
  6. Step 6: Final answer
    x = 42,002.65

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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.