Home / 83,628.10-115,411.19-47,825.29

Finding the Fourth Proportional to 83,628.10, 115,411.19 and 47,825.29

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Solution

The fourth proportional to 83,628.10, 115,411.19 and 47,825.29 is: 66,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,628.10 : 115,411.19 = 47,825.29 : x
  2. Step 2: Convert to fraction form
    83,628.10/115,411.19 = 47,825.29/x
  3. Step 3: Cross multiply
    83,628.10x = 115,411.19 × 47,825.29
  4. Step 4: Simplify right side
    83,628.10x = 5,519,573,631.00
  5. Step 5: Solve for x
    x = 5,519,573,631.00/83,628.10
  6. Step 6: Final answer
    x = 66,001.42

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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.