Home / 95,515.20-143,272.80-61,835.40

Finding the Fourth Proportional to 95,515.20, 143,272.80 and 61,835.40

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Solution

The fourth proportional to 95,515.20, 143,272.80 and 61,835.40 is: 92,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,515.20 : 143,272.80 = 61,835.40 : x
  2. Step 2: Convert to fraction form
    95,515.20/143,272.80 = 61,835.40/x
  3. Step 3: Cross multiply
    95,515.20x = 143,272.80 × 61,835.40
  4. Step 4: Simplify right side
    95,515.20x = 8,859,330,897.12
  5. Step 5: Solve for x
    x = 8,859,330,897.12/95,515.20
  6. Step 6: Final answer
    x = 92,753.10

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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.