Home / 99,584.88-137,365.20-59,271.12

Finding the Fourth Proportional to 99,584.88, 137,365.20 and 59,271.12

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Solution

The fourth proportional to 99,584.88, 137,365.20 and 59,271.12 is: 81,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,584.88 : 137,365.20 = 59,271.12 : x
  2. Step 2: Convert to fraction form
    99,584.88/137,365.20 = 59,271.12/x
  3. Step 3: Cross multiply
    99,584.88x = 137,365.20 × 59,271.12
  4. Step 4: Simplify right side
    99,584.88x = 8,141,789,253.02
  5. Step 5: Solve for x
    x = 8,141,789,253.02/99,584.88
  6. Step 6: Final answer
    x = 81,757.28

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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.