Home / 90,462.42-135,675.18-34,283.18

Finding the Fourth Proportional to 90,462.42, 135,675.18 and 34,283.18

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Solution

The fourth proportional to 90,462.42, 135,675.18 and 34,283.18 is: 51,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.42 : 135,675.18 = 34,283.18 : x
  2. Step 2: Convert to fraction form
    90,462.42/135,675.18 = 34,283.18/x
  3. Step 3: Cross multiply
    90,462.42x = 135,675.18 × 34,283.18
  4. Step 4: Simplify right side
    90,462.42x = 4,651,376,617.47
  5. Step 5: Solve for x
    x = 4,651,376,617.47/90,462.42
  6. Step 6: Final answer
    x = 51,417.78

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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.