Home / 99,358.26-137,066.20-59,043.50

Finding the Fourth Proportional to 99,358.26, 137,066.20 and 59,043.50

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Solution

The fourth proportional to 99,358.26, 137,066.20 and 59,043.50 is: 81,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,358.26 : 137,066.20 = 59,043.50 : x
  2. Step 2: Convert to fraction form
    99,358.26/137,066.20 = 59,043.50/x
  3. Step 3: Cross multiply
    99,358.26x = 137,066.20 × 59,043.50
  4. Step 4: Simplify right side
    99,358.26x = 8,092,868,179.70
  5. Step 5: Solve for x
    x = 8,092,868,179.70/99,358.26
  6. Step 6: Final answer
    x = 81,451.39

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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.