Home / 53,010.28-73,153.08-29,136.40

Finding the Fourth Proportional to 53,010.28, 73,153.08 and 29,136.40

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Solution

The fourth proportional to 53,010.28, 73,153.08 and 29,136.40 is: 40,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.28 : 73,153.08 = 29,136.40 : x
  2. Step 2: Convert to fraction form
    53,010.28/73,153.08 = 29,136.40/x
  3. Step 3: Cross multiply
    53,010.28x = 73,153.08 × 29,136.40
  4. Step 4: Simplify right side
    53,010.28x = 2,131,417,400.11
  5. Step 5: Solve for x
    x = 2,131,417,400.11/53,010.28
  6. Step 6: Final answer
    x = 40,207.62

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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.