Home / 90,319.46-124,635.52-49,475.46

Finding the Fourth Proportional to 90,319.46, 124,635.52 and 49,475.46

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Solution

The fourth proportional to 90,319.46, 124,635.52 and 49,475.46 is: 68,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,319.46 : 124,635.52 = 49,475.46 : x
  2. Step 2: Convert to fraction form
    90,319.46/124,635.52 = 49,475.46/x
  3. Step 3: Cross multiply
    90,319.46x = 124,635.52 × 49,475.46
  4. Step 4: Simplify right side
    90,319.46x = 6,166,399,684.34
  5. Step 5: Solve for x
    x = 6,166,399,684.34/90,319.46
  6. Step 6: Final answer
    x = 68,273.21

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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.