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Finding the Fourth Proportional to 60,903.18, 91,125.08 and 35,956.80

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Solution

The fourth proportional to 60,903.18, 91,125.08 and 35,956.80 is: 53,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,903.18 : 91,125.08 = 35,956.80 : x
  2. Step 2: Convert to fraction form
    60,903.18/91,125.08 = 35,956.80/x
  3. Step 3: Cross multiply
    60,903.18x = 91,125.08 × 35,956.80
  4. Step 4: Simplify right side
    60,903.18x = 3,276,566,276.54
  5. Step 5: Solve for x
    x = 3,276,566,276.54/60,903.18
  6. Step 6: Final answer
    x = 53,799.59

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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.