Home / 75,956.96-113,951.48-28,572.52

Finding the Fourth Proportional to 75,956.96, 113,951.48 and 28,572.52

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Solution

The fourth proportional to 75,956.96, 113,951.48 and 28,572.52 is: 42,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,956.96 : 113,951.48 = 28,572.52 : x
  2. Step 2: Convert to fraction form
    75,956.96/113,951.48 = 28,572.52/x
  3. Step 3: Cross multiply
    75,956.96x = 113,951.48 × 28,572.52
  4. Step 4: Simplify right side
    75,956.96x = 3,255,880,941.33
  5. Step 5: Solve for x
    x = 3,255,880,941.33/75,956.96
  6. Step 6: Final answer
    x = 42,864.81

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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.