Home / 83,867.03-115,736.15-46,140.47

Finding the Fourth Proportional to 83,867.03, 115,736.15 and 46,140.47

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Solution

The fourth proportional to 83,867.03, 115,736.15 and 46,140.47 is: 63,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,867.03 : 115,736.15 = 46,140.47 : x
  2. Step 2: Convert to fraction form
    83,867.03/115,736.15 = 46,140.47/x
  3. Step 3: Cross multiply
    83,867.03x = 115,736.15 × 46,140.47
  4. Step 4: Simplify right side
    83,867.03x = 5,340,120,126.29
  5. Step 5: Solve for x
    x = 5,340,120,126.29/83,867.03
  6. Step 6: Final answer
    x = 63,673.65

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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.