Home / 99,701.52-137,584.74-59,394.41

Finding the Fourth Proportional to 99,701.52, 137,584.74 and 59,394.41

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Solution

The fourth proportional to 99,701.52, 137,584.74 and 59,394.41 is: 81,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,701.52 : 137,584.74 = 59,394.41 : x
  2. Step 2: Convert to fraction form
    99,701.52/137,584.74 = 59,394.41/x
  3. Step 3: Cross multiply
    99,701.52x = 137,584.74 × 59,394.41
  4. Step 4: Simplify right side
    99,701.52x = 8,171,764,457.30
  5. Step 5: Solve for x
    x = 8,171,764,457.30/99,701.52
  6. Step 6: Final answer
    x = 81,962.29

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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.