Home / 113,738.44-156,966.18-63,437.32

Finding the Fourth Proportional to 113,738.44, 156,966.18 and 63,437.32

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Solution

The fourth proportional to 113,738.44, 156,966.18 and 63,437.32 is: 87,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,738.44 : 156,966.18 = 63,437.32 : x
  2. Step 2: Convert to fraction form
    113,738.44/156,966.18 = 63,437.32/x
  3. Step 3: Cross multiply
    113,738.44x = 156,966.18 × 63,437.32
  4. Step 4: Simplify right side
    113,738.44x = 9,957,513,789.84
  5. Step 5: Solve for x
    x = 9,957,513,789.84/113,738.44
  6. Step 6: Final answer
    x = 87,547.48

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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.