Home / 78,082.40-117,045.84-44,762.24

Finding the Fourth Proportional to 78,082.40, 117,045.84 and 44,762.24

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Solution

The fourth proportional to 78,082.40, 117,045.84 and 44,762.24 is: 67,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,082.40 : 117,045.84 = 44,762.24 : x
  2. Step 2: Convert to fraction form
    78,082.40/117,045.84 = 44,762.24/x
  3. Step 3: Cross multiply
    78,082.40x = 117,045.84 × 44,762.24
  4. Step 4: Simplify right side
    78,082.40x = 5,239,233,981.08
  5. Step 5: Solve for x
    x = 5,239,233,981.08/78,082.40
  6. Step 6: Final answer
    x = 67,098.78

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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.