Home / 53,149.10-73,302.12-38,792.79

Finding the Fourth Proportional to 53,149.10, 73,302.12 and 38,792.79

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Solution

The fourth proportional to 53,149.10, 73,302.12 and 38,792.79 is: 53,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149.10 : 73,302.12 = 38,792.79 : x
  2. Step 2: Convert to fraction form
    53,149.10/73,302.12 = 38,792.79/x
  3. Step 3: Cross multiply
    53,149.10x = 73,302.12 × 38,792.79
  4. Step 4: Simplify right side
    53,149.10x = 2,843,593,747.71
  5. Step 5: Solve for x
    x = 2,843,593,747.71/53,149.10
  6. Step 6: Final answer
    x = 53,502.20

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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.