Home / 88,520.66-122,158.62-52,711.88

Finding the Fourth Proportional to 88,520.66, 122,158.62 and 52,711.88

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Solution

The fourth proportional to 88,520.66, 122,158.62 and 52,711.88 is: 72,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,520.66 : 122,158.62 = 52,711.88 : x
  2. Step 2: Convert to fraction form
    88,520.66/122,158.62 = 52,711.88/x
  3. Step 3: Cross multiply
    88,520.66x = 122,158.62 × 52,711.88
  4. Step 4: Simplify right side
    88,520.66x = 6,439,210,518.41
  5. Step 5: Solve for x
    x = 6,439,210,518.41/88,520.66
  6. Step 6: Final answer
    x = 72,742.46

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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.