Home / 85,740.27-118,319.97-51,750.19

Finding the Fourth Proportional to 85,740.27, 118,319.97 and 51,750.19

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Solution

The fourth proportional to 85,740.27, 118,319.97 and 51,750.19 is: 71,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,740.27 : 118,319.97 = 51,750.19 : x
  2. Step 2: Convert to fraction form
    85,740.27/118,319.97 = 51,750.19/x
  3. Step 3: Cross multiply
    85,740.27x = 118,319.97 × 51,750.19
  4. Step 4: Simplify right side
    85,740.27x = 6,123,081,324.84
  5. Step 5: Solve for x
    x = 6,123,081,324.84/85,740.27
  6. Step 6: Final answer
    x = 71,414.30

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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.