Home / 72,875.06-109,065.67-44,812.88

Finding the Fourth Proportional to 72,875.06, 109,065.67 and 44,812.88

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Solution

The fourth proportional to 72,875.06, 109,065.67 and 44,812.88 is: 67,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,875.06 : 109,065.67 = 44,812.88 : x
  2. Step 2: Convert to fraction form
    72,875.06/109,065.67 = 44,812.88/x
  3. Step 3: Cross multiply
    72,875.06x = 109,065.67 × 44,812.88
  4. Step 4: Simplify right side
    72,875.06x = 4,887,546,785.54
  5. Step 5: Solve for x
    x = 4,887,546,785.54/72,875.06
  6. Step 6: Final answer
    x = 67,067.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.