Home / 110,921.12-153,076.88-60,620.32

Finding the Fourth Proportional to 110,921.12, 153,076.88 and 60,620.32

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Solution

The fourth proportional to 110,921.12, 153,076.88 and 60,620.32 is: 83,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,921.12 : 153,076.88 = 60,620.32 : x
  2. Step 2: Convert to fraction form
    110,921.12/153,076.88 = 60,620.32/x
  3. Step 3: Cross multiply
    110,921.12x = 153,076.88 × 60,620.32
  4. Step 4: Simplify right side
    110,921.12x = 9,279,569,450.20
  5. Step 5: Solve for x
    x = 9,279,569,450.20/110,921.12
  6. Step 6: Final answer
    x = 83,659.18

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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.