Home / 103,491.13-155,126.18-59,022.13

Finding the Fourth Proportional to 103,491.13, 155,126.18 and 59,022.13

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Solution

The fourth proportional to 103,491.13, 155,126.18 and 59,022.13 is: 88,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,491.13 : 155,126.18 = 59,022.13 : x
  2. Step 2: Convert to fraction form
    103,491.13/155,126.18 = 59,022.13/x
  3. Step 3: Cross multiply
    103,491.13x = 155,126.18 × 59,022.13
  4. Step 4: Simplify right side
    103,491.13x = 9,155,877,267.25
  5. Step 5: Solve for x
    x = 9,155,877,267.25/103,491.13
  6. Step 6: Final answer
    x = 88,470.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.