Home / 95,362.40-143,137.76-71,587.28

Finding the Fourth Proportional to 95,362.40, 143,137.76 and 71,587.28

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Solution

The fourth proportional to 95,362.40, 143,137.76 and 71,587.28 is: 107,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,362.40 : 143,137.76 = 71,587.28 : x
  2. Step 2: Convert to fraction form
    95,362.40/143,137.76 = 71,587.28/x
  3. Step 3: Cross multiply
    95,362.40x = 143,137.76 × 71,587.28
  4. Step 4: Simplify right side
    95,362.40x = 10,246,841,830.07
  5. Step 5: Solve for x
    x = 10,246,841,830.07/95,362.40
  6. Step 6: Final answer
    x = 107,451.60

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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.