Home / 88,543.40-132,815.10-64,923.80

Finding the Fourth Proportional to 88,543.40, 132,815.10 and 64,923.80

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Solution

The fourth proportional to 88,543.40, 132,815.10 and 64,923.80 is: 97,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,543.40 : 132,815.10 = 64,923.80 : x
  2. Step 2: Convert to fraction form
    88,543.40/132,815.10 = 64,923.80/x
  3. Step 3: Cross multiply
    88,543.40x = 132,815.10 × 64,923.80
  4. Step 4: Simplify right side
    88,543.40x = 8,622,860,989.38
  5. Step 5: Solve for x
    x = 8,622,860,989.38/88,543.40
  6. Step 6: Final answer
    x = 97,385.70

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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.