Home / 88,000.92-121,432.28-54,010.83

Finding the Fourth Proportional to 88,000.92, 121,432.28 and 54,010.83

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Solution

The fourth proportional to 88,000.92, 121,432.28 and 54,010.83 is: 74,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.92 : 121,432.28 = 54,010.83 : x
  2. Step 2: Convert to fraction form
    88,000.92/121,432.28 = 54,010.83/x
  3. Step 3: Cross multiply
    88,000.92x = 121,432.28 × 54,010.83
  4. Step 4: Simplify right side
    88,000.92x = 6,558,657,961.54
  5. Step 5: Solve for x
    x = 6,558,657,961.54/88,000.92
  6. Step 6: Final answer
    x = 74,529.42

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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.