Home / 86,436.50-119,282.85-48,711.38

Finding the Fourth Proportional to 86,436.50, 119,282.85 and 48,711.38

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Solution

The fourth proportional to 86,436.50, 119,282.85 and 48,711.38 is: 67,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,436.50 : 119,282.85 = 48,711.38 : x
  2. Step 2: Convert to fraction form
    86,436.50/119,282.85 = 48,711.38/x
  3. Step 3: Cross multiply
    86,436.50x = 119,282.85 × 48,711.38
  4. Step 4: Simplify right side
    86,436.50x = 5,810,432,233.83
  5. Step 5: Solve for x
    x = 5,810,432,233.83/86,436.50
  6. Step 6: Final answer
    x = 67,221.97

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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.