Home / 97,428.16-146,188.68-67,488.54

Finding the Fourth Proportional to 97,428.16, 146,188.68 and 67,488.54

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Solution

The fourth proportional to 97,428.16, 146,188.68 and 67,488.54 is: 101,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428.16 : 146,188.68 = 67,488.54 : x
  2. Step 2: Convert to fraction form
    97,428.16/146,188.68 = 67,488.54/x
  3. Step 3: Cross multiply
    97,428.16x = 146,188.68 × 67,488.54
  4. Step 4: Simplify right side
    97,428.16x = 9,866,060,577.73
  5. Step 5: Solve for x
    x = 9,866,060,577.73/97,428.16
  6. Step 6: Final answer
    x = 101,264.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.