Home / 94,977.20-142,350.60-42,330.80

Finding the Fourth Proportional to 94,977.20, 142,350.60 and 42,330.80

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Solution

The fourth proportional to 94,977.20, 142,350.60 and 42,330.80 is: 63,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,977.20 : 142,350.60 = 42,330.80 : x
  2. Step 2: Convert to fraction form
    94,977.20/142,350.60 = 42,330.80/x
  3. Step 3: Cross multiply
    94,977.20x = 142,350.60 × 42,330.80
  4. Step 4: Simplify right side
    94,977.20x = 6,025,814,778.48
  5. Step 5: Solve for x
    x = 6,025,814,778.48/94,977.20
  6. Step 6: Final answer
    x = 63,444.86

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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.