Home / 123,514.58-170,450.15-66,925.95

Finding the Fourth Proportional to 123,514.58, 170,450.15 and 66,925.95

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Solution

The fourth proportional to 123,514.58, 170,450.15 and 66,925.95 is: 92,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,514.58 : 170,450.15 = 66,925.95 : x
  2. Step 2: Convert to fraction form
    123,514.58/170,450.15 = 66,925.95/x
  3. Step 3: Cross multiply
    123,514.58x = 170,450.15 × 66,925.95
  4. Step 4: Simplify right side
    123,514.58x = 11,407,537,881.76
  5. Step 5: Solve for x
    x = 11,407,537,881.76/123,514.58
  6. Step 6: Final answer
    x = 92,357.83

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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.