Home / 84,305.29-116,206.17-57,072.79

Finding the Fourth Proportional to 84,305.29, 116,206.17 and 57,072.79

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Solution

The fourth proportional to 84,305.29, 116,206.17 and 57,072.79 is: 78,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,305.29 : 116,206.17 = 57,072.79 : x
  2. Step 2: Convert to fraction form
    84,305.29/116,206.17 = 57,072.79/x
  3. Step 3: Cross multiply
    84,305.29x = 116,206.17 × 57,072.79
  4. Step 4: Simplify right side
    84,305.29x = 6,632,210,337.11
  5. Step 5: Solve for x
    x = 6,632,210,337.11/84,305.29
  6. Step 6: Final answer
    x = 78,668.97

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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.