Home / 84,817.66-127,032.71-40,475.55

Finding the Fourth Proportional to 84,817.66, 127,032.71 and 40,475.55

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Solution

The fourth proportional to 84,817.66, 127,032.71 and 40,475.55 is: 60,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817.66 : 127,032.71 = 40,475.55 : x
  2. Step 2: Convert to fraction form
    84,817.66/127,032.71 = 40,475.55/x
  3. Step 3: Cross multiply
    84,817.66x = 127,032.71 × 40,475.55
  4. Step 4: Simplify right side
    84,817.66x = 5,141,718,805.24
  5. Step 5: Solve for x
    x = 5,141,718,805.24/84,817.66
  6. Step 6: Final answer
    x = 60,620.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.