Home / 83,782.16-115,619.16-45,541.71

Finding the Fourth Proportional to 83,782.16, 115,619.16 and 45,541.71

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Solution

The fourth proportional to 83,782.16, 115,619.16 and 45,541.71 is: 62,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,782.16 : 115,619.16 = 45,541.71 : x
  2. Step 2: Convert to fraction form
    83,782.16/115,619.16 = 45,541.71/x
  3. Step 3: Cross multiply
    83,782.16x = 115,619.16 × 45,541.71
  4. Step 4: Simplify right side
    83,782.16x = 5,265,494,255.16
  5. Step 5: Solve for x
    x = 5,265,494,255.16/83,782.16
  6. Step 6: Final answer
    x = 62,847.44

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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.