Home / 75,027.60-112,541.67-30,654.45

Finding the Fourth Proportional to 75,027.60, 112,541.67 and 30,654.45

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Solution

The fourth proportional to 75,027.60, 112,541.67 and 30,654.45 is: 45,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,027.60 : 112,541.67 = 30,654.45 : x
  2. Step 2: Convert to fraction form
    75,027.60/112,541.67 = 30,654.45/x
  3. Step 3: Cross multiply
    75,027.60x = 112,541.67 × 30,654.45
  4. Step 4: Simplify right side
    75,027.60x = 3,449,902,995.93
  5. Step 5: Solve for x
    x = 3,449,902,995.93/75,027.60
  6. Step 6: Final answer
    x = 45,981.79

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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.