Home / 60,285.11-90,447.91-42,292.08

Finding the Fourth Proportional to 60,285.11, 90,447.91 and 42,292.08

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Solution

The fourth proportional to 60,285.11, 90,447.91 and 42,292.08 is: 63,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,285.11 : 90,447.91 = 42,292.08 : x
  2. Step 2: Convert to fraction form
    60,285.11/90,447.91 = 42,292.08/x
  3. Step 3: Cross multiply
    60,285.11x = 90,447.91 × 42,292.08
  4. Step 4: Simplify right side
    60,285.11x = 3,825,230,139.82
  5. Step 5: Solve for x
    x = 3,825,230,139.82/60,285.11
  6. Step 6: Final answer
    x = 63,452.33

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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.