Home / 85,689.85-118,253.22-49,371.26

Finding the Fourth Proportional to 85,689.85, 118,253.22 and 49,371.26

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Solution

The fourth proportional to 85,689.85, 118,253.22 and 49,371.26 is: 68,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,689.85 : 118,253.22 = 49,371.26 : x
  2. Step 2: Convert to fraction form
    85,689.85/118,253.22 = 49,371.26/x
  3. Step 3: Cross multiply
    85,689.85x = 118,253.22 × 49,371.26
  4. Step 4: Simplify right side
    85,689.85x = 5,838,310,192.93
  5. Step 5: Solve for x
    x = 5,838,310,192.93/85,689.85
  6. Step 6: Final answer
    x = 68,133.04

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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.