Home / 113,754.64-156,985.68-63,463.36

Finding the Fourth Proportional to 113,754.64, 156,985.68 and 63,463.36

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Solution

The fourth proportional to 113,754.64, 156,985.68 and 63,463.36 is: 87,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,754.64 : 156,985.68 = 63,463.36 : x
  2. Step 2: Convert to fraction form
    113,754.64/156,985.68 = 63,463.36/x
  3. Step 3: Cross multiply
    113,754.64x = 156,985.68 × 63,463.36
  4. Step 4: Simplify right side
    113,754.64x = 9,962,838,724.68
  5. Step 5: Solve for x
    x = 9,962,838,724.68/113,754.64
  6. Step 6: Final answer
    x = 87,581.82

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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.