Home / 90,309.75-124,626.04-49,473.55

Finding the Fourth Proportional to 90,309.75, 124,626.04 and 49,473.55

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Solution

The fourth proportional to 90,309.75, 124,626.04 and 49,473.55 is: 68,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,309.75 : 124,626.04 = 49,473.55 : x
  2. Step 2: Convert to fraction form
    90,309.75/124,626.04 = 49,473.55/x
  3. Step 3: Cross multiply
    90,309.75x = 124,626.04 × 49,473.55
  4. Step 4: Simplify right side
    90,309.75x = 6,165,692,621.24
  5. Step 5: Solve for x
    x = 6,165,692,621.24/90,309.75
  6. Step 6: Final answer
    x = 68,272.72

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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.