Home / 71,025.91-98,015.28-39,194.81

Finding the Fourth Proportional to 71,025.91, 98,015.28 and 39,194.81

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Solution

The fourth proportional to 71,025.91, 98,015.28 and 39,194.81 is: 54,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.91 : 98,015.28 = 39,194.81 : x
  2. Step 2: Convert to fraction form
    71,025.91/98,015.28 = 39,194.81/x
  3. Step 3: Cross multiply
    71,025.91x = 98,015.28 × 39,194.81
  4. Step 4: Simplify right side
    71,025.91x = 3,841,690,007.20
  5. Step 5: Solve for x
    x = 3,841,690,007.20/71,025.91
  6. Step 6: Final answer
    x = 54,088.57

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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.