Home / 83,070.36-114,637.06-45,344.61

Finding the Fourth Proportional to 83,070.36, 114,637.06 and 45,344.61

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Solution

The fourth proportional to 83,070.36, 114,637.06 and 45,344.61 is: 62,575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,070.36 : 114,637.06 = 45,344.61 : x
  2. Step 2: Convert to fraction form
    83,070.36/114,637.06 = 45,344.61/x
  3. Step 3: Cross multiply
    83,070.36x = 114,637.06 × 45,344.61
  4. Step 4: Simplify right side
    83,070.36x = 5,198,172,777.25
  5. Step 5: Solve for x
    x = 5,198,172,777.25/83,070.36
  6. Step 6: Final answer
    x = 62,575.54

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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.