Home / 51,587.97-77,403.82-28,187.07

Finding the Fourth Proportional to 51,587.97, 77,403.82 and 28,187.07

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Solution

The fourth proportional to 51,587.97, 77,403.82 and 28,187.07 is: 42,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,587.97 : 77,403.82 = 28,187.07 : x
  2. Step 2: Convert to fraction form
    51,587.97/77,403.82 = 28,187.07/x
  3. Step 3: Cross multiply
    51,587.97x = 77,403.82 × 28,187.07
  4. Step 4: Simplify right side
    51,587.97x = 2,181,786,892.61
  5. Step 5: Solve for x
    x = 2,181,786,892.61/51,587.97
  6. Step 6: Final answer
    x = 42,292.55

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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.