Home / 95,485.40-143,092.32-70,327.64

Finding the Fourth Proportional to 95,485.40, 143,092.32 and 70,327.64

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Solution

The fourth proportional to 95,485.40, 143,092.32 and 70,327.64 is: 105,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,485.40 : 143,092.32 = 70,327.64 : x
  2. Step 2: Convert to fraction form
    95,485.40/143,092.32 = 70,327.64/x
  3. Step 3: Cross multiply
    95,485.40x = 143,092.32 × 70,327.64
  4. Step 4: Simplify right side
    95,485.40x = 10,063,345,167.72
  5. Step 5: Solve for x
    x = 10,063,345,167.72/95,485.40
  6. Step 6: Final answer
    x = 105,391.45

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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.