Home / 83,476.14-115,197.42-45,235.77

Finding the Fourth Proportional to 83,476.14, 115,197.42 and 45,235.77

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Solution

The fourth proportional to 83,476.14, 115,197.42 and 45,235.77 is: 62,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,476.14 : 115,197.42 = 45,235.77 : x
  2. Step 2: Convert to fraction form
    83,476.14/115,197.42 = 45,235.77/x
  3. Step 3: Cross multiply
    83,476.14x = 115,197.42 × 45,235.77
  4. Step 4: Simplify right side
    83,476.14x = 5,211,043,995.71
  5. Step 5: Solve for x
    x = 5,211,043,995.71/83,476.14
  6. Step 6: Final answer
    x = 62,425.55

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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.