Home / 88,639.02-122,349.14-54,658.17

Finding the Fourth Proportional to 88,639.02, 122,349.14 and 54,658.17

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Solution

The fourth proportional to 88,639.02, 122,349.14 and 54,658.17 is: 75,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,639.02 : 122,349.14 = 54,658.17 : x
  2. Step 2: Convert to fraction form
    88,639.02/122,349.14 = 54,658.17/x
  3. Step 3: Cross multiply
    88,639.02x = 122,349.14 × 54,658.17
  4. Step 4: Simplify right side
    88,639.02x = 6,687,379,820.18
  5. Step 5: Solve for x
    x = 6,687,379,820.18/88,639.02
  6. Step 6: Final answer
    x = 75,445.10

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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.