Home / 90,474.45-135,610.07-42,466.62

Finding the Fourth Proportional to 90,474.45, 135,610.07 and 42,466.62

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Solution

The fourth proportional to 90,474.45, 135,610.07 and 42,466.62 is: 63,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,474.45 : 135,610.07 = 42,466.62 : x
  2. Step 2: Convert to fraction form
    90,474.45/135,610.07 = 42,466.62/x
  3. Step 3: Cross multiply
    90,474.45x = 135,610.07 × 42,466.62
  4. Step 4: Simplify right side
    90,474.45x = 5,758,901,098.53
  5. Step 5: Solve for x
    x = 5,758,901,098.53/90,474.45
  6. Step 6: Final answer
    x = 63,652.24

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1.5x scale

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.