Home / 88,462.40-122,103.20-58,269.76

Finding the Fourth Proportional to 88,462.40, 122,103.20 and 58,269.76

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Solution

The fourth proportional to 88,462.40, 122,103.20 and 58,269.76 is: 80,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,462.40 : 122,103.20 = 58,269.76 : x
  2. Step 2: Convert to fraction form
    88,462.40/122,103.20 = 58,269.76/x
  3. Step 3: Cross multiply
    88,462.40x = 122,103.20 × 58,269.76
  4. Step 4: Simplify right side
    88,462.40x = 7,114,924,159.23
  5. Step 5: Solve for x
    x = 7,114,924,159.23/88,462.40
  6. Step 6: Final answer
    x = 80,428.79

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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.