Home / 68,947.63-95,158.81-64,445.15

Finding the Fourth Proportional to 68,947.63, 95,158.81 and 64,445.15

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Solution

The fourth proportional to 68,947.63, 95,158.81 and 64,445.15 is: 88,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947.63 : 95,158.81 = 64,445.15 : x
  2. Step 2: Convert to fraction form
    68,947.63/95,158.81 = 64,445.15/x
  3. Step 3: Cross multiply
    68,947.63x = 95,158.81 × 64,445.15
  4. Step 4: Simplify right side
    68,947.63x = 6,132,523,147.36
  5. Step 5: Solve for x
    x = 6,132,523,147.36/68,947.63
  6. Step 6: Final answer
    x = 88,944.65

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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.