Home / 92,438.48-127,565.12-52,160.76

Finding the Fourth Proportional to 92,438.48, 127,565.12 and 52,160.76

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Solution

The fourth proportional to 92,438.48, 127,565.12 and 52,160.76 is: 71,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,438.48 : 127,565.12 = 52,160.76 : x
  2. Step 2: Convert to fraction form
    92,438.48/127,565.12 = 52,160.76/x
  3. Step 3: Cross multiply
    92,438.48x = 127,565.12 × 52,160.76
  4. Step 4: Simplify right side
    92,438.48x = 6,653,893,608.69
  5. Step 5: Solve for x
    x = 6,653,893,608.69/92,438.48
  6. Step 6: Final answer
    x = 71,981.86

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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.