Home / 83,707.47-115,517.16-45,467.77

Finding the Fourth Proportional to 83,707.47, 115,517.16 and 45,467.77

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Solution

The fourth proportional to 83,707.47, 115,517.16 and 45,467.77 is: 62,745.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,707.47 : 115,517.16 = 45,467.77 : x
  2. Step 2: Convert to fraction form
    83,707.47/115,517.16 = 45,467.77/x
  3. Step 3: Cross multiply
    83,707.47x = 115,517.16 × 45,467.77
  4. Step 4: Simplify right side
    83,707.47x = 5,252,307,661.93
  5. Step 5: Solve for x
    x = 5,252,307,661.93/83,707.47
  6. Step 6: Final answer
    x = 62,745.99

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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.