Home / 83,708.21-115,518.19-45,468.13

Finding the Fourth Proportional to 83,708.21, 115,518.19 and 45,468.13

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Solution

The fourth proportional to 83,708.21, 115,518.19 and 45,468.13 is: 62,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,708.21 : 115,518.19 = 45,468.13 : x
  2. Step 2: Convert to fraction form
    83,708.21/115,518.19 = 45,468.13/x
  3. Step 3: Cross multiply
    83,708.21x = 115,518.19 × 45,468.13
  4. Step 4: Simplify right side
    83,708.21x = 5,252,396,080.28
  5. Step 5: Solve for x
    x = 5,252,396,080.28/83,708.21
  6. Step 6: Final answer
    x = 62,746.49

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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.