Home / 90,873.46-136,433.10-62,723.53

Finding the Fourth Proportional to 90,873.46, 136,433.10 and 62,723.53

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Solution

The fourth proportional to 90,873.46, 136,433.10 and 62,723.53 is: 94,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,873.46 : 136,433.10 = 62,723.53 : x
  2. Step 2: Convert to fraction form
    90,873.46/136,433.10 = 62,723.53/x
  3. Step 3: Cross multiply
    90,873.46x = 136,433.10 × 62,723.53
  4. Step 4: Simplify right side
    90,873.46x = 8,557,565,640.84
  5. Step 5: Solve for x
    x = 8,557,565,640.84/90,873.46
  6. Step 6: Final answer
    x = 94,170.13

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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.