Home / 83,869.17-115,739.46-46,143.42

Finding the Fourth Proportional to 83,869.17, 115,739.46 and 46,143.42

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Solution

The fourth proportional to 83,869.17, 115,739.46 and 46,143.42 is: 63,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,869.17 : 115,739.46 = 46,143.42 : x
  2. Step 2: Convert to fraction form
    83,869.17/115,739.46 = 46,143.42/x
  3. Step 3: Cross multiply
    83,869.17x = 115,739.46 × 46,143.42
  4. Step 4: Simplify right side
    83,869.17x = 5,340,614,600.59
  5. Step 5: Solve for x
    x = 5,340,614,600.59/83,869.17
  6. Step 6: Final answer
    x = 63,677.92

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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.