Home / 95,501.31-143,202.75-42,865.70

Finding the Fourth Proportional to 95,501.31, 143,202.75 and 42,865.70

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Solution

The fourth proportional to 95,501.31, 143,202.75 and 42,865.70 is: 64,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,501.31 : 143,202.75 = 42,865.70 : x
  2. Step 2: Convert to fraction form
    95,501.31/143,202.75 = 42,865.70/x
  3. Step 3: Cross multiply
    95,501.31x = 143,202.75 × 42,865.70
  4. Step 4: Simplify right side
    95,501.31x = 6,138,485,404.66
  5. Step 5: Solve for x
    x = 6,138,485,404.66/95,501.31
  6. Step 6: Final answer
    x = 64,276.45

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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.