Home / 83,815.36-115,663.86-45,575.66

Finding the Fourth Proportional to 83,815.36, 115,663.86 and 45,575.66

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Solution

The fourth proportional to 83,815.36, 115,663.86 and 45,575.66 is: 62,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,815.36 : 115,663.86 = 45,575.66 : x
  2. Step 2: Convert to fraction form
    83,815.36/115,663.86 = 45,575.66/x
  3. Step 3: Cross multiply
    83,815.36x = 115,663.86 × 45,575.66
  4. Step 4: Simplify right side
    83,815.36x = 5,271,456,757.65
  5. Step 5: Solve for x
    x = 5,271,456,757.65/83,815.36
  6. Step 6: Final answer
    x = 62,893.68

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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.