Home / 63,156.12-94,763.40-28,118.76

Finding the Fourth Proportional to 63,156.12, 94,763.40 and 28,118.76

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Solution

The fourth proportional to 63,156.12, 94,763.40 and 28,118.76 is: 42,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,156.12 : 94,763.40 = 28,118.76 : x
  2. Step 2: Convert to fraction form
    63,156.12/94,763.40 = 28,118.76/x
  3. Step 3: Cross multiply
    63,156.12x = 94,763.40 × 28,118.76
  4. Step 4: Simplify right side
    63,156.12x = 2,664,629,301.38
  5. Step 5: Solve for x
    x = 2,664,629,301.38/63,156.12
  6. Step 6: Final answer
    x = 42,191.15

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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.