Home / 83,817.72-115,668.48-46,091.96

Finding the Fourth Proportional to 83,817.72, 115,668.48 and 46,091.96

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Solution

The fourth proportional to 83,817.72, 115,668.48 and 46,091.96 is: 63,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,817.72 : 115,668.48 = 46,091.96 : x
  2. Step 2: Convert to fraction form
    83,817.72/115,668.48 = 46,091.96/x
  3. Step 3: Cross multiply
    83,817.72x = 115,668.48 × 46,091.96
  4. Step 4: Simplify right side
    83,817.72x = 5,331,386,953.42
  5. Step 5: Solve for x
    x = 5,331,386,953.42/83,817.72
  6. Step 6: Final answer
    x = 63,606.92

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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.