Home / 78,287.14-108,036.33-44,294.92

Finding the Fourth Proportional to 78,287.14, 108,036.33 and 44,294.92

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Solution

The fourth proportional to 78,287.14, 108,036.33 and 44,294.92 is: 61,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,287.14 : 108,036.33 = 44,294.92 : x
  2. Step 2: Convert to fraction form
    78,287.14/108,036.33 = 44,294.92/x
  3. Step 3: Cross multiply
    78,287.14x = 108,036.33 × 44,294.92
  4. Step 4: Simplify right side
    78,287.14x = 4,785,460,594.44
  5. Step 5: Solve for x
    x = 4,785,460,594.44/78,287.14
  6. Step 6: Final answer
    x = 61,127.03

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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.