Home / 88,646.48-132,450.56-85,545.80

Finding the Fourth Proportional to 88,646.48, 132,450.56 and 85,545.80

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Solution

The fourth proportional to 88,646.48, 132,450.56 and 85,545.80 is: 127,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,646.48 : 132,450.56 = 85,545.80 : x
  2. Step 2: Convert to fraction form
    88,646.48/132,450.56 = 85,545.80/x
  3. Step 3: Cross multiply
    88,646.48x = 132,450.56 × 85,545.80
  4. Step 4: Simplify right side
    88,646.48x = 11,330,589,115.65
  5. Step 5: Solve for x
    x = 11,330,589,115.65/88,646.48
  6. Step 6: Final answer
    x = 127,817.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.