Home / 65,060.12-89,773.47-38,211.28

Finding the Fourth Proportional to 65,060.12, 89,773.47 and 38,211.28

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Solution

The fourth proportional to 65,060.12, 89,773.47 and 38,211.28 is: 52,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,060.12 : 89,773.47 = 38,211.28 : x
  2. Step 2: Convert to fraction form
    65,060.12/89,773.47 = 38,211.28/x
  3. Step 3: Cross multiply
    65,060.12x = 89,773.47 × 38,211.28
  4. Step 4: Simplify right side
    65,060.12x = 3,430,359,198.74
  5. Step 5: Solve for x
    x = 3,430,359,198.74/65,060.12
  6. Step 6: Final answer
    x = 52,725.99

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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.