Home / 94,038.14-129,781.76-53,744.21

Finding the Fourth Proportional to 94,038.14, 129,781.76 and 53,744.21

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Solution

The fourth proportional to 94,038.14, 129,781.76 and 53,744.21 is: 74,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,038.14 : 129,781.76 = 53,744.21 : x
  2. Step 2: Convert to fraction form
    94,038.14/129,781.76 = 53,744.21/x
  3. Step 3: Cross multiply
    94,038.14x = 129,781.76 × 53,744.21
  4. Step 4: Simplify right side
    94,038.14x = 6,975,018,163.61
  5. Step 5: Solve for x
    x = 6,975,018,163.61/94,038.14
  6. Step 6: Final answer
    x = 74,172.23

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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.