Home / 48,961.76-67,572.65-28,823.60

Finding the Fourth Proportional to 48,961.76, 67,572.65 and 28,823.60

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Solution

The fourth proportional to 48,961.76, 67,572.65 and 28,823.60 is: 39,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,961.76 : 67,572.65 = 28,823.60 : x
  2. Step 2: Convert to fraction form
    48,961.76/67,572.65 = 28,823.60/x
  3. Step 3: Cross multiply
    48,961.76x = 67,572.65 × 28,823.60
  4. Step 4: Simplify right side
    48,961.76x = 1,947,686,552.56
  5. Step 5: Solve for x
    x = 1,947,686,552.56/48,961.76
  6. Step 6: Final answer
    x = 39,779.75

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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.