Home / 90,803.64-125,320.62-54,995.16

Finding the Fourth Proportional to 90,803.64, 125,320.62 and 54,995.16

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Solution

The fourth proportional to 90,803.64, 125,320.62 and 54,995.16 is: 75,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,803.64 : 125,320.62 = 54,995.16 : x
  2. Step 2: Convert to fraction form
    90,803.64/125,320.62 = 54,995.16/x
  3. Step 3: Cross multiply
    90,803.64x = 125,320.62 × 54,995.16
  4. Step 4: Simplify right side
    90,803.64x = 6,892,027,548.20
  5. Step 5: Solve for x
    x = 6,892,027,548.20/90,803.64
  6. Step 6: Final answer
    x = 75,900.34

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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.