Home / 84,812.32-117,062.28-49,023.12

Finding the Fourth Proportional to 84,812.32, 117,062.28 and 49,023.12

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Solution

The fourth proportional to 84,812.32, 117,062.28 and 49,023.12 is: 67,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,812.32 : 117,062.28 = 49,023.12 : x
  2. Step 2: Convert to fraction form
    84,812.32/117,062.28 = 49,023.12/x
  3. Step 3: Cross multiply
    84,812.32x = 117,062.28 × 49,023.12
  4. Step 4: Simplify right side
    84,812.32x = 5,738,758,199.91
  5. Step 5: Solve for x
    x = 5,738,758,199.91/84,812.32
  6. Step 6: Final answer
    x = 67,664.20

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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.