Home / 83,344.06-115,014.80-45,618.32

Finding the Fourth Proportional to 83,344.06, 115,014.80 and 45,618.32

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Solution

The fourth proportional to 83,344.06, 115,014.80 and 45,618.32 is: 62,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,344.06 : 115,014.80 = 45,618.32 : x
  2. Step 2: Convert to fraction form
    83,344.06/115,014.80 = 45,618.32/x
  3. Step 3: Cross multiply
    83,344.06x = 115,014.80 × 45,618.32
  4. Step 4: Simplify right side
    83,344.06x = 5,246,781,951.14
  5. Step 5: Solve for x
    x = 5,246,781,951.14/83,344.06
  6. Step 6: Final answer
    x = 62,953.28

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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.