Home / 113,052.96-156,005.28-62,748

Finding the Fourth Proportional to 113,052.96, 156,005.28 and 62,748

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Solution

The fourth proportional to 113,052.96, 156,005.28 and 62,748 is: 86,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,052.96 : 156,005.28 = 62,748 : x
  2. Step 2: Convert to fraction form
    113,052.96/156,005.28 = 62,748/x
  3. Step 3: Cross multiply
    113,052.96x = 156,005.28 × 62,748
  4. Step 4: Simplify right side
    113,052.96x = 9,789,019,309.44
  5. Step 5: Solve for x
    x = 9,789,019,309.44/113,052.96
  6. Step 6: Final answer
    x = 86,587.91

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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.