Home / 89,829.40-134,744.10-61,835.80

Finding the Fourth Proportional to 89,829.40, 134,744.10 and 61,835.80

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Solution

The fourth proportional to 89,829.40, 134,744.10 and 61,835.80 is: 92,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,829.40 : 134,744.10 = 61,835.80 : x
  2. Step 2: Convert to fraction form
    89,829.40/134,744.10 = 61,835.80/x
  3. Step 3: Cross multiply
    89,829.40x = 134,744.10 × 61,835.80
  4. Step 4: Simplify right side
    89,829.40x = 8,332,009,218.78
  5. Step 5: Solve for x
    x = 8,332,009,218.78/89,829.40
  6. Step 6: Final answer
    x = 92,753.70

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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.