Home / 103,107.13-142,297.00-60,084.28

Finding the Fourth Proportional to 103,107.13, 142,297.00 and 60,084.28

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Solution

The fourth proportional to 103,107.13, 142,297.00 and 60,084.28 is: 82,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,107.13 : 142,297.00 = 60,084.28 : x
  2. Step 2: Convert to fraction form
    103,107.13/142,297.00 = 60,084.28/x
  3. Step 3: Cross multiply
    103,107.13x = 142,297.00 × 60,084.28
  4. Step 4: Simplify right side
    103,107.13x = 8,549,813,156.79
  5. Step 5: Solve for x
    x = 8,549,813,156.79/103,107.13
  6. Step 6: Final answer
    x = 82,921.65

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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.