Home / 83,344.40-115,015.08-45,618.32

Finding the Fourth Proportional to 83,344.40, 115,015.08 and 45,618.32

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Solution

The fourth proportional to 83,344.40, 115,015.08 and 45,618.32 is: 62,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,344.40 : 115,015.08 = 45,618.32 : x
  2. Step 2: Convert to fraction form
    83,344.40/115,015.08 = 45,618.32/x
  3. Step 3: Cross multiply
    83,344.40x = 115,015.08 × 45,618.32
  4. Step 4: Simplify right side
    83,344.40x = 5,246,794,724.27
  5. Step 5: Solve for x
    x = 5,246,794,724.27/83,344.40
  6. Step 6: Final answer
    x = 62,953.18

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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.