Home / 123,514.52-170,450.63-66,925.88

Finding the Fourth Proportional to 123,514.52, 170,450.63 and 66,925.88

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Solution

The fourth proportional to 123,514.52, 170,450.63 and 66,925.88 is: 92,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,514.52 : 170,450.63 = 66,925.88 : x
  2. Step 2: Convert to fraction form
    123,514.52/170,450.63 = 66,925.88/x
  3. Step 3: Cross multiply
    123,514.52x = 170,450.63 × 66,925.88
  4. Step 4: Simplify right side
    123,514.52x = 11,407,557,222.42
  5. Step 5: Solve for x
    x = 11,407,557,222.42/123,514.52
  6. Step 6: Final answer
    x = 92,358.03

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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.