Home / 95,128.30-131,276.73-54,841.87

Finding the Fourth Proportional to 95,128.30, 131,276.73 and 54,841.87

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Solution

The fourth proportional to 95,128.30, 131,276.73 and 54,841.87 is: 75,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,128.30 : 131,276.73 = 54,841.87 : x
  2. Step 2: Convert to fraction form
    95,128.30/131,276.73 = 54,841.87/x
  3. Step 3: Cross multiply
    95,128.30x = 131,276.73 × 54,841.87
  4. Step 4: Simplify right side
    95,128.30x = 7,199,461,551.77
  5. Step 5: Solve for x
    x = 7,199,461,551.77/95,128.30
  6. Step 6: Final answer
    x = 75,681.59

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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.