Home / 90,882.56-125,416.32-50,602.88

Finding the Fourth Proportional to 90,882.56, 125,416.32 and 50,602.88

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Solution

The fourth proportional to 90,882.56, 125,416.32 and 50,602.88 is: 69,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,882.56 : 125,416.32 = 50,602.88 : x
  2. Step 2: Convert to fraction form
    90,882.56/125,416.32 = 50,602.88/x
  3. Step 3: Cross multiply
    90,882.56x = 125,416.32 × 50,602.88
  4. Step 4: Simplify right side
    90,882.56x = 6,346,426,991.00
  5. Step 5: Solve for x
    x = 6,346,426,991.00/90,882.56
  6. Step 6: Final answer
    x = 69,831.08

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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.