Home / 45,867.86-63,272.02-28,865.76

Finding the Fourth Proportional to 45,867.86, 63,272.02 and 28,865.76

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Solution

The fourth proportional to 45,867.86, 63,272.02 and 28,865.76 is: 39,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,867.86 : 63,272.02 = 28,865.76 : x
  2. Step 2: Convert to fraction form
    45,867.86/63,272.02 = 28,865.76/x
  3. Step 3: Cross multiply
    45,867.86x = 63,272.02 × 28,865.76
  4. Step 4: Simplify right side
    45,867.86x = 1,826,394,944.04
  5. Step 5: Solve for x
    x = 1,826,394,944.04/45,867.86
  6. Step 6: Final answer
    x = 39,818.62

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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.