Home / 113,760.96-157,000.05-62,778.48

Finding the Fourth Proportional to 113,760.96, 157,000.05 and 62,778.48

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Solution

The fourth proportional to 113,760.96, 157,000.05 and 62,778.48 is: 86,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,760.96 : 157,000.05 = 62,778.48 : x
  2. Step 2: Convert to fraction form
    113,760.96/157,000.05 = 62,778.48/x
  3. Step 3: Cross multiply
    113,760.96x = 157,000.05 × 62,778.48
  4. Step 4: Simplify right side
    113,760.96x = 9,856,224,498.92
  5. Step 5: Solve for x
    x = 9,856,224,498.92/113,760.96
  6. Step 6: Final answer
    x = 86,639.78

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1.5x scale

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.