Home / 99,259.39-137,049.47-61,070.32

Finding the Fourth Proportional to 99,259.39, 137,049.47 and 61,070.32

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Solution

The fourth proportional to 99,259.39, 137,049.47 and 61,070.32 is: 84,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,259.39 : 137,049.47 = 61,070.32 : x
  2. Step 2: Convert to fraction form
    99,259.39/137,049.47 = 61,070.32/x
  3. Step 3: Cross multiply
    99,259.39x = 137,049.47 × 61,070.32
  4. Step 4: Simplify right side
    99,259.39x = 8,369,654,988.73
  5. Step 5: Solve for x
    x = 8,369,654,988.73/99,259.39
  6. Step 6: Final answer
    x = 84,321.04

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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.