Home / 103,247.38-142,495.95-60,241.06

Finding the Fourth Proportional to 103,247.38, 142,495.95 and 60,241.06

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Solution

The fourth proportional to 103,247.38, 142,495.95 and 60,241.06 is: 83,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,247.38 : 142,495.95 = 60,241.06 : x
  2. Step 2: Convert to fraction form
    103,247.38/142,495.95 = 60,241.06/x
  3. Step 3: Cross multiply
    103,247.38x = 142,495.95 × 60,241.06
  4. Step 4: Simplify right side
    103,247.38x = 8,584,107,073.71
  5. Step 5: Solve for x
    x = 8,584,107,073.71/103,247.38
  6. Step 6: Final answer
    x = 83,141.16

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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.