Home / 76,871.13-106,082.18-43,337.13

Finding the Fourth Proportional to 76,871.13, 106,082.18 and 43,337.13

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Solution

The fourth proportional to 76,871.13, 106,082.18 and 43,337.13 is: 59,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,871.13 : 106,082.18 = 43,337.13 : x
  2. Step 2: Convert to fraction form
    76,871.13/106,082.18 = 43,337.13/x
  3. Step 3: Cross multiply
    76,871.13x = 106,082.18 × 43,337.13
  4. Step 4: Simplify right side
    76,871.13x = 4,597,297,225.34
  5. Step 5: Solve for x
    x = 4,597,297,225.34/76,871.13
  6. Step 6: Final answer
    x = 59,805.25

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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.