Home / 88,701.12-122,404.48-52,872.68

Finding the Fourth Proportional to 88,701.12, 122,404.48 and 52,872.68

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Solution

The fourth proportional to 88,701.12, 122,404.48 and 52,872.68 is: 72,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,701.12 : 122,404.48 = 52,872.68 : x
  2. Step 2: Convert to fraction form
    88,701.12/122,404.48 = 52,872.68/x
  3. Step 3: Cross multiply
    88,701.12x = 122,404.48 × 52,872.68
  4. Step 4: Simplify right side
    88,701.12x = 6,471,852,901.61
  5. Step 5: Solve for x
    x = 6,471,852,901.61/88,701.12
  6. Step 6: Final answer
    x = 72,962.47

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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.