Home / 76,941.24-106,184.28-42,956.40

Finding the Fourth Proportional to 76,941.24, 106,184.28 and 42,956.40

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Solution

The fourth proportional to 76,941.24, 106,184.28 and 42,956.40 is: 59,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,941.24 : 106,184.28 = 42,956.40 : x
  2. Step 2: Convert to fraction form
    76,941.24/106,184.28 = 42,956.40/x
  3. Step 3: Cross multiply
    76,941.24x = 106,184.28 × 42,956.40
  4. Step 4: Simplify right side
    76,941.24x = 4,561,294,190.61
  5. Step 5: Solve for x
    x = 4,561,294,190.61/76,941.24
  6. Step 6: Final answer
    x = 59,282.83

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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.