Home / 85,127.94-117,480.20-47,402.18

Finding the Fourth Proportional to 85,127.94, 117,480.20 and 47,402.18

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Solution

The fourth proportional to 85,127.94, 117,480.20 and 47,402.18 is: 65,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127.94 : 117,480.20 = 47,402.18 : x
  2. Step 2: Convert to fraction form
    85,127.94/117,480.20 = 47,402.18/x
  3. Step 3: Cross multiply
    85,127.94x = 117,480.20 × 47,402.18
  4. Step 4: Simplify right side
    85,127.94x = 5,568,817,586.84
  5. Step 5: Solve for x
    x = 5,568,817,586.84/85,127.94
  6. Step 6: Final answer
    x = 65,417.04

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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.