Home / 80,641.17-111,334.77-52,010.10

Finding the Fourth Proportional to 80,641.17, 111,334.77 and 52,010.10

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Solution

The fourth proportional to 80,641.17, 111,334.77 and 52,010.10 is: 71,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,641.17 : 111,334.77 = 52,010.10 : x
  2. Step 2: Convert to fraction form
    80,641.17/111,334.77 = 52,010.10/x
  3. Step 3: Cross multiply
    80,641.17x = 111,334.77 × 52,010.10
  4. Step 4: Simplify right side
    80,641.17x = 5,790,532,521.18
  5. Step 5: Solve for x
    x = 5,790,532,521.18/80,641.17
  6. Step 6: Final answer
    x = 71,806.16

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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.