Home / 83,637.04-115,418.82-45,396.59

Finding the Fourth Proportional to 83,637.04, 115,418.82 and 45,396.59

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Solution

The fourth proportional to 83,637.04, 115,418.82 and 45,396.59 is: 62,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,637.04 : 115,418.82 = 45,396.59 : x
  2. Step 2: Convert to fraction form
    83,637.04/115,418.82 = 45,396.59/x
  3. Step 3: Cross multiply
    83,637.04x = 115,418.82 × 45,396.59
  4. Step 4: Simplify right side
    83,637.04x = 5,239,620,442.97
  5. Step 5: Solve for x
    x = 5,239,620,442.97/83,637.04
  6. Step 6: Final answer
    x = 62,647.13

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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.