Home / 83,588.85-115,330.30-49,569.05

Finding the Fourth Proportional to 83,588.85, 115,330.30 and 49,569.05

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Solution

The fourth proportional to 83,588.85, 115,330.30 and 49,569.05 is: 68,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,588.85 : 115,330.30 = 49,569.05 : x
  2. Step 2: Convert to fraction form
    83,588.85/115,330.30 = 49,569.05/x
  3. Step 3: Cross multiply
    83,588.85x = 115,330.30 × 49,569.05
  4. Step 4: Simplify right side
    83,588.85x = 5,716,813,447.70
  5. Step 5: Solve for x
    x = 5,716,813,447.70/83,588.85
  6. Step 6: Final answer
    x = 68,392.06

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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.