Home / 90,612.75-125,042.13-50,329.08

Finding the Fourth Proportional to 90,612.75, 125,042.13 and 50,329.08

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Solution

The fourth proportional to 90,612.75, 125,042.13 and 50,329.08 is: 69,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,612.75 : 125,042.13 = 50,329.08 : x
  2. Step 2: Convert to fraction form
    90,612.75/125,042.13 = 50,329.08/x
  3. Step 3: Cross multiply
    90,612.75x = 125,042.13 × 50,329.08
  4. Step 4: Simplify right side
    90,612.75x = 6,293,255,364.14
  5. Step 5: Solve for x
    x = 6,293,255,364.14/90,612.75
  6. Step 6: Final answer
    x = 69,452.21

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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.