Home / 99,723.80-149,585.70-62,326.10

Finding the Fourth Proportional to 99,723.80, 149,585.70 and 62,326.10

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Solution

The fourth proportional to 99,723.80, 149,585.70 and 62,326.10 is: 93,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,723.80 : 149,585.70 = 62,326.10 : x
  2. Step 2: Convert to fraction form
    99,723.80/149,585.70 = 62,326.10/x
  3. Step 3: Cross multiply
    99,723.80x = 149,585.70 × 62,326.10
  4. Step 4: Simplify right side
    99,723.80x = 9,323,093,296.77
  5. Step 5: Solve for x
    x = 9,323,093,296.77/99,723.80
  6. Step 6: Final answer
    x = 93,489.15

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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.