Home / 83,752.45-115,578.84-45,512.29

Finding the Fourth Proportional to 83,752.45, 115,578.84 and 45,512.29

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Solution

The fourth proportional to 83,752.45, 115,578.84 and 45,512.29 is: 62,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,752.45 : 115,578.84 = 45,512.29 : x
  2. Step 2: Convert to fraction form
    83,752.45/115,578.84 = 45,512.29/x
  3. Step 3: Cross multiply
    83,752.45x = 115,578.84 × 45,512.29
  4. Step 4: Simplify right side
    83,752.45x = 5,260,257,683.94
  5. Step 5: Solve for x
    x = 5,260,257,683.94/83,752.45
  6. Step 6: Final answer
    x = 62,807.21

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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.