Home / 83,138.18-124,725.69-23,969.23

Finding the Fourth Proportional to 83,138.18, 124,725.69 and 23,969.23

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Solution

The fourth proportional to 83,138.18, 124,725.69 and 23,969.23 is: 35,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,138.18 : 124,725.69 = 23,969.23 : x
  2. Step 2: Convert to fraction form
    83,138.18/124,725.69 = 23,969.23/x
  3. Step 3: Cross multiply
    83,138.18x = 124,725.69 × 23,969.23
  4. Step 4: Simplify right side
    83,138.18x = 2,989,578,438.70
  5. Step 5: Solve for x
    x = 2,989,578,438.70/83,138.18
  6. Step 6: Final answer
    x = 35,959.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.