Home / 83,005.36-114,547.25-45,279.61

Finding the Fourth Proportional to 83,005.36, 114,547.25 and 45,279.61

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Solution

The fourth proportional to 83,005.36, 114,547.25 and 45,279.61 is: 62,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,005.36 : 114,547.25 = 45,279.61 : x
  2. Step 2: Convert to fraction form
    83,005.36/114,547.25 = 45,279.61/x
  3. Step 3: Cross multiply
    83,005.36x = 114,547.25 × 45,279.61
  4. Step 4: Simplify right side
    83,005.36x = 5,186,654,806.57
  5. Step 5: Solve for x
    x = 5,186,654,806.57/83,005.36
  6. Step 6: Final answer
    x = 62,485.78

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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.