Home / 85,527.78-118,034.11-49,717.68

Finding the Fourth Proportional to 85,527.78, 118,034.11 and 49,717.68

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Solution

The fourth proportional to 85,527.78, 118,034.11 and 49,717.68 is: 68,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,527.78 : 118,034.11 = 49,717.68 : x
  2. Step 2: Convert to fraction form
    85,527.78/118,034.11 = 49,717.68/x
  3. Step 3: Cross multiply
    85,527.78x = 118,034.11 × 49,717.68
  4. Step 4: Simplify right side
    85,527.78x = 5,868,382,110.06
  5. Step 5: Solve for x
    x = 5,868,382,110.06/85,527.78
  6. Step 6: Final answer
    x = 68,613.75

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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.