Home / 85,302.94-117,680.02-49,472.18

Finding the Fourth Proportional to 85,302.94, 117,680.02 and 49,472.18

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Solution

The fourth proportional to 85,302.94, 117,680.02 and 49,472.18 is: 68,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,302.94 : 117,680.02 = 49,472.18 : x
  2. Step 2: Convert to fraction form
    85,302.94/117,680.02 = 49,472.18/x
  3. Step 3: Cross multiply
    85,302.94x = 117,680.02 × 49,472.18
  4. Step 4: Simplify right side
    85,302.94x = 5,821,887,131.84
  5. Step 5: Solve for x
    x = 5,821,887,131.84/85,302.94
  6. Step 6: Final answer
    x = 68,249.55

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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.