Home / 83,395.18-115,083.21-46,601.70

Finding the Fourth Proportional to 83,395.18, 115,083.21 and 46,601.70

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Solution

The fourth proportional to 83,395.18, 115,083.21 and 46,601.70 is: 64,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.18 : 115,083.21 = 46,601.70 : x
  2. Step 2: Convert to fraction form
    83,395.18/115,083.21 = 46,601.70/x
  3. Step 3: Cross multiply
    83,395.18x = 115,083.21 × 46,601.70
  4. Step 4: Simplify right side
    83,395.18x = 5,363,073,227.46
  5. Step 5: Solve for x
    x = 5,363,073,227.46/83,395.18
  6. Step 6: Final answer
    x = 64,309.15

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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.