Home / 112,079.82-154,669.13-61,092.55

Finding the Fourth Proportional to 112,079.82, 154,669.13 and 61,092.55

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Solution

The fourth proportional to 112,079.82, 154,669.13 and 61,092.55 is: 84,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,079.82 : 154,669.13 = 61,092.55 : x
  2. Step 2: Convert to fraction form
    112,079.82/154,669.13 = 61,092.55/x
  3. Step 3: Cross multiply
    112,079.82x = 154,669.13 × 61,092.55
  4. Step 4: Simplify right side
    112,079.82x = 9,449,131,148.58
  5. Step 5: Solve for x
    x = 9,449,131,148.58/112,079.82
  6. Step 6: Final answer
    x = 84,307.16

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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.