Home / 83,920.66-115,807.07-48,085.74

Finding the Fourth Proportional to 83,920.66, 115,807.07 and 48,085.74

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Solution

The fourth proportional to 83,920.66, 115,807.07 and 48,085.74 is: 66,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,920.66 : 115,807.07 = 48,085.74 : x
  2. Step 2: Convert to fraction form
    83,920.66/115,807.07 = 48,085.74/x
  3. Step 3: Cross multiply
    83,920.66x = 115,807.07 × 48,085.74
  4. Step 4: Simplify right side
    83,920.66x = 5,568,668,778.40
  5. Step 5: Solve for x
    x = 5,568,668,778.40/83,920.66
  6. Step 6: Final answer
    x = 66,356.35

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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.