Home / 70,129.28-96,774.66-38,291.96

Finding the Fourth Proportional to 70,129.28, 96,774.66 and 38,291.96

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Solution

The fourth proportional to 70,129.28, 96,774.66 and 38,291.96 is: 52,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,129.28 : 96,774.66 = 38,291.96 : x
  2. Step 2: Convert to fraction form
    70,129.28/96,774.66 = 38,291.96/x
  3. Step 3: Cross multiply
    70,129.28x = 96,774.66 × 38,291.96
  4. Step 4: Simplify right side
    70,129.28x = 3,705,690,925.86
  5. Step 5: Solve for x
    x = 3,705,690,925.86/70,129.28
  6. Step 6: Final answer
    x = 52,840.86

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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.