Home / 67,008.56-100,381.41-38,869.49

Finding the Fourth Proportional to 67,008.56, 100,381.41 and 38,869.49

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Solution

The fourth proportional to 67,008.56, 100,381.41 and 38,869.49 is: 58,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,008.56 : 100,381.41 = 38,869.49 : x
  2. Step 2: Convert to fraction form
    67,008.56/100,381.41 = 38,869.49/x
  3. Step 3: Cross multiply
    67,008.56x = 100,381.41 × 38,869.49
  4. Step 4: Simplify right side
    67,008.56x = 3,901,774,463.13
  5. Step 5: Solve for x
    x = 3,901,774,463.13/67,008.56
  6. Step 6: Final answer
    x = 58,228.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.