Home / 99,498.16-137,304.30-59,202.70

Finding the Fourth Proportional to 99,498.16, 137,304.30 and 59,202.70

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Solution

The fourth proportional to 99,498.16, 137,304.30 and 59,202.70 is: 81,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,498.16 : 137,304.30 = 59,202.70 : x
  2. Step 2: Convert to fraction form
    99,498.16/137,304.30 = 59,202.70/x
  3. Step 3: Cross multiply
    99,498.16x = 137,304.30 × 59,202.70
  4. Step 4: Simplify right side
    99,498.16x = 8,128,785,281.61
  5. Step 5: Solve for x
    x = 8,128,785,281.61/99,498.16
  6. Step 6: Final answer
    x = 81,697.85

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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.