Home / 83,417.87-115,116.09-45,176.54

Finding the Fourth Proportional to 83,417.87, 115,116.09 and 45,176.54

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Solution

The fourth proportional to 83,417.87, 115,116.09 and 45,176.54 is: 62,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,417.87 : 115,116.09 = 45,176.54 : x
  2. Step 2: Convert to fraction form
    83,417.87/115,116.09 = 45,176.54/x
  3. Step 3: Cross multiply
    83,417.87x = 115,116.09 × 45,176.54
  4. Step 4: Simplify right side
    83,417.87x = 5,200,545,899.54
  5. Step 5: Solve for x
    x = 5,200,545,899.54/83,417.87
  6. Step 6: Final answer
    x = 62,343.31

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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.