Home / 86,827.95-119,824.11-49,102.20

Finding the Fourth Proportional to 86,827.95, 119,824.11 and 49,102.20

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Solution

The fourth proportional to 86,827.95, 119,824.11 and 49,102.20 is: 67,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,827.95 : 119,824.11 = 49,102.20 : x
  2. Step 2: Convert to fraction form
    86,827.95/119,824.11 = 49,102.20/x
  3. Step 3: Cross multiply
    86,827.95x = 119,824.11 × 49,102.20
  4. Step 4: Simplify right side
    86,827.95x = 5,883,627,414.04
  5. Step 5: Solve for x
    x = 5,883,627,414.04/86,827.95
  6. Step 6: Final answer
    x = 67,761.91

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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.