Home / 88,681.02-122,380.92-52,891.44

Finding the Fourth Proportional to 88,681.02, 122,380.92 and 52,891.44

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Solution

The fourth proportional to 88,681.02, 122,380.92 and 52,891.44 is: 72,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.02 : 122,380.92 = 52,891.44 : x
  2. Step 2: Convert to fraction form
    88,681.02/122,380.92 = 52,891.44/x
  3. Step 3: Cross multiply
    88,681.02x = 122,380.92 × 52,891.44
  4. Step 4: Simplify right side
    88,681.02x = 6,472,903,087.32
  5. Step 5: Solve for x
    x = 6,472,903,087.32/88,681.02
  6. Step 6: Final answer
    x = 72,990.85

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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.