Home / 90,752.90-125,238.33-50,470.34

Finding the Fourth Proportional to 90,752.90, 125,238.33 and 50,470.34

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Solution

The fourth proportional to 90,752.90, 125,238.33 and 50,470.34 is: 69,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752.90 : 125,238.33 = 50,470.34 : x
  2. Step 2: Convert to fraction form
    90,752.90/125,238.33 = 50,470.34/x
  3. Step 3: Cross multiply
    90,752.90x = 125,238.33 × 50,470.34
  4. Step 4: Simplify right side
    90,752.90x = 6,320,821,096.13
  5. Step 5: Solve for x
    x = 6,320,821,096.13/90,752.90
  6. Step 6: Final answer
    x = 69,648.70

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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.