Home / 95,070.72-142,339.84-71,623.68

Finding the Fourth Proportional to 95,070.72, 142,339.84 and 71,623.68

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Solution

The fourth proportional to 95,070.72, 142,339.84 and 71,623.68 is: 107,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,070.72 : 142,339.84 = 71,623.68 : x
  2. Step 2: Convert to fraction form
    95,070.72/142,339.84 = 71,623.68/x
  3. Step 3: Cross multiply
    95,070.72x = 142,339.84 × 71,623.68
  4. Step 4: Simplify right side
    95,070.72x = 10,194,903,151.41
  5. Step 5: Solve for x
    x = 10,194,903,151.41/95,070.72
  6. Step 6: Final answer
    x = 107,234.94

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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.