Home / 90,263.70-124,565.46-49,431.42

Finding the Fourth Proportional to 90,263.70, 124,565.46 and 49,431.42

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Solution

The fourth proportional to 90,263.70, 124,565.46 and 49,431.42 is: 68,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.70 : 124,565.46 = 49,431.42 : x
  2. Step 2: Convert to fraction form
    90,263.70/124,565.46 = 49,431.42/x
  3. Step 3: Cross multiply
    90,263.70x = 124,565.46 × 49,431.42
  4. Step 4: Simplify right side
    90,263.70x = 6,157,447,570.75
  5. Step 5: Solve for x
    x = 6,157,447,570.75/90,263.70
  6. Step 6: Final answer
    x = 68,216.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.