Home / 86,803.20-119,787.84-49,077.60

Finding the Fourth Proportional to 86,803.20, 119,787.84 and 49,077.60

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Solution

The fourth proportional to 86,803.20, 119,787.84 and 49,077.60 is: 67,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,803.20 : 119,787.84 = 49,077.60 : x
  2. Step 2: Convert to fraction form
    86,803.20/119,787.84 = 49,077.60/x
  3. Step 3: Cross multiply
    86,803.20x = 119,787.84 × 49,077.60
  4. Step 4: Simplify right side
    86,803.20x = 5,878,899,696.38
  5. Step 5: Solve for x
    x = 5,878,899,696.38/86,803.20
  6. Step 6: Final answer
    x = 67,726.76

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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.