Home / 90,766.56-125,266.08-50,479.68

Finding the Fourth Proportional to 90,766.56, 125,266.08 and 50,479.68

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Solution

The fourth proportional to 90,766.56, 125,266.08 and 50,479.68 is: 69,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,766.56 : 125,266.08 = 50,479.68 : x
  2. Step 2: Convert to fraction form
    90,766.56/125,266.08 = 50,479.68/x
  3. Step 3: Cross multiply
    90,766.56x = 125,266.08 × 50,479.68
  4. Step 4: Simplify right side
    90,766.56x = 6,323,391,633.25
  5. Step 5: Solve for x
    x = 6,323,391,633.25/90,766.56
  6. Step 6: Final answer
    x = 69,666.53

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1.5x scale

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.