Home / 90,612.66-125,047.14-50,330.16

Finding the Fourth Proportional to 90,612.66, 125,047.14 and 50,330.16

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Solution

The fourth proportional to 90,612.66, 125,047.14 and 50,330.16 is: 69,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,612.66 : 125,047.14 = 50,330.16 : x
  2. Step 2: Convert to fraction form
    90,612.66/125,047.14 = 50,330.16/x
  3. Step 3: Cross multiply
    90,612.66x = 125,047.14 × 50,330.16
  4. Step 4: Simplify right side
    90,612.66x = 6,293,642,563.74
  5. Step 5: Solve for x
    x = 6,293,642,563.74/90,612.66
  6. Step 6: Final answer
    x = 69,456.55

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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.