Home / 66,760.11-92,129.06-36,545.45

Finding the Fourth Proportional to 66,760.11, 92,129.06 and 36,545.45

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Solution

The fourth proportional to 66,760.11, 92,129.06 and 36,545.45 is: 50,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,760.11 : 92,129.06 = 36,545.45 : x
  2. Step 2: Convert to fraction form
    66,760.11/92,129.06 = 36,545.45/x
  3. Step 3: Cross multiply
    66,760.11x = 92,129.06 × 36,545.45
  4. Step 4: Simplify right side
    66,760.11x = 3,366,897,586.50
  5. Step 5: Solve for x
    x = 3,366,897,586.50/66,760.11
  6. Step 6: Final answer
    x = 50,432.77

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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.