Home / 123,587.67-185,378.86-39,353.65

Finding the Fourth Proportional to 123,587.67, 185,378.86 and 39,353.65

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Solution

The fourth proportional to 123,587.67, 185,378.86 and 39,353.65 is: 59,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,587.67 : 185,378.86 = 39,353.65 : x
  2. Step 2: Convert to fraction form
    123,587.67/185,378.86 = 39,353.65/x
  3. Step 3: Cross multiply
    123,587.67x = 185,378.86 × 39,353.65
  4. Step 4: Simplify right side
    123,587.67x = 7,295,334,359.58
  5. Step 5: Solve for x
    x = 7,295,334,359.58/123,587.67
  6. Step 6: Final answer
    x = 59,029.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.