Home / 103,635.12-155,443.74-63,098.13

Finding the Fourth Proportional to 103,635.12, 155,443.74 and 63,098.13

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Solution

The fourth proportional to 103,635.12, 155,443.74 and 63,098.13 is: 94,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.12 : 155,443.74 = 63,098.13 : x
  2. Step 2: Convert to fraction form
    103,635.12/155,443.74 = 63,098.13/x
  3. Step 3: Cross multiply
    103,635.12x = 155,443.74 × 63,098.13
  4. Step 4: Simplify right side
    103,635.12x = 9,808,209,314.21
  5. Step 5: Solve for x
    x = 9,808,209,314.21/103,635.12
  6. Step 6: Final answer
    x = 94,641.75

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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.