Home / 67,848.64-101,773.21-28,378.06

Finding the Fourth Proportional to 67,848.64, 101,773.21 and 28,378.06

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Solution

The fourth proportional to 67,848.64, 101,773.21 and 28,378.06 is: 42,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,848.64 : 101,773.21 = 28,378.06 : x
  2. Step 2: Convert to fraction form
    67,848.64/101,773.21 = 28,378.06/x
  3. Step 3: Cross multiply
    67,848.64x = 101,773.21 × 28,378.06
  4. Step 4: Simplify right side
    67,848.64x = 2,888,126,330.72
  5. Step 5: Solve for x
    x = 2,888,126,330.72/67,848.64
  6. Step 6: Final answer
    x = 42,567.20

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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.