Home / 99,567.60-137,340.51-59,251.26

Finding the Fourth Proportional to 99,567.60, 137,340.51 and 59,251.26

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Solution

The fourth proportional to 99,567.60, 137,340.51 and 59,251.26 is: 81,729.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,567.60 : 137,340.51 = 59,251.26 : x
  2. Step 2: Convert to fraction form
    99,567.60/137,340.51 = 59,251.26/x
  3. Step 3: Cross multiply
    99,567.60x = 137,340.51 × 59,251.26
  4. Step 4: Simplify right side
    99,567.60x = 8,137,598,892.67
  5. Step 5: Solve for x
    x = 8,137,598,892.67/99,567.60
  6. Step 6: Final answer
    x = 81,729.39

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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.