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Finding the Fourth Proportional to 60,502.40, 90,615.36 and 35,826.56

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Solution

The fourth proportional to 60,502.40, 90,615.36 and 35,826.56 is: 53,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,502.40 : 90,615.36 = 35,826.56 : x
  2. Step 2: Convert to fraction form
    60,502.40/90,615.36 = 35,826.56/x
  3. Step 3: Cross multiply
    60,502.40x = 90,615.36 × 35,826.56
  4. Step 4: Simplify right side
    60,502.40x = 3,246,436,631.96
  5. Step 5: Solve for x
    x = 3,246,436,631.96/60,502.40
  6. Step 6: Final answer
    x = 53,657.98

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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.