Home / 67,008.57-92,479.19-38,330.87

Finding the Fourth Proportional to 67,008.57, 92,479.19 and 38,330.87

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Solution

The fourth proportional to 67,008.57, 92,479.19 and 38,330.87 is: 52,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,008.57 : 92,479.19 = 38,330.87 : x
  2. Step 2: Convert to fraction form
    67,008.57/92,479.19 = 38,330.87/x
  3. Step 3: Cross multiply
    67,008.57x = 92,479.19 × 38,330.87
  4. Step 4: Simplify right side
    67,008.57x = 3,544,807,999.16
  5. Step 5: Solve for x
    x = 3,544,807,999.16/67,008.57
  6. Step 6: Final answer
    x = 52,900.82

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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.