Home / 71,540.01-98,729.69-41,330.86

Finding the Fourth Proportional to 71,540.01, 98,729.69 and 41,330.86

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Solution

The fourth proportional to 71,540.01, 98,729.69 and 41,330.86 is: 57,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,540.01 : 98,729.69 = 41,330.86 : x
  2. Step 2: Convert to fraction form
    71,540.01/98,729.69 = 41,330.86/x
  3. Step 3: Cross multiply
    71,540.01x = 98,729.69 × 41,330.86
  4. Step 4: Simplify right side
    71,540.01x = 4,080,582,541.75
  5. Step 5: Solve for x
    x = 4,080,582,541.75/71,540.01
  6. Step 6: Final answer
    x = 57,039.17

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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.