Home / 65,177.85-89,898.96-59,817.56

Finding the Fourth Proportional to 65,177.85, 89,898.96 and 59,817.56

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Solution

The fourth proportional to 65,177.85, 89,898.96 and 59,817.56 is: 82,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,177.85 : 89,898.96 = 59,817.56 : x
  2. Step 2: Convert to fraction form
    65,177.85/89,898.96 = 59,817.56/x
  3. Step 3: Cross multiply
    65,177.85x = 89,898.96 × 59,817.56
  4. Step 4: Simplify right side
    65,177.85x = 5,377,536,658.49
  5. Step 5: Solve for x
    x = 5,377,536,658.49/65,177.85
  6. Step 6: Final answer
    x = 82,505.59

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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.