Home / 63,619.06-87,876.96-48,419.38

Finding the Fourth Proportional to 63,619.06, 87,876.96 and 48,419.38

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Solution

The fourth proportional to 63,619.06, 87,876.96 and 48,419.38 is: 66,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,619.06 : 87,876.96 = 48,419.38 : x
  2. Step 2: Convert to fraction form
    63,619.06/87,876.96 = 48,419.38/x
  3. Step 3: Cross multiply
    63,619.06x = 87,876.96 × 48,419.38
  4. Step 4: Simplify right side
    63,619.06x = 4,254,947,919.48
  5. Step 5: Solve for x
    x = 4,254,947,919.48/63,619.06
  6. Step 6: Final answer
    x = 66,881.65

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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.