Home / 85,642.18-118,176.34-49,348.92

Finding the Fourth Proportional to 85,642.18, 118,176.34 and 49,348.92

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Solution

The fourth proportional to 85,642.18, 118,176.34 and 49,348.92 is: 68,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,642.18 : 118,176.34 = 49,348.92 : x
  2. Step 2: Convert to fraction form
    85,642.18/118,176.34 = 49,348.92/x
  3. Step 3: Cross multiply
    85,642.18x = 118,176.34 × 49,348.92
  4. Step 4: Simplify right side
    85,642.18x = 5,831,874,748.55
  5. Step 5: Solve for x
    x = 5,831,874,748.55/85,642.18
  6. Step 6: Final answer
    x = 68,095.82

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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.