Home / 71,666.14-107,499.45-21,746.65

Finding the Fourth Proportional to 71,666.14, 107,499.45 and 21,746.65

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Solution

The fourth proportional to 71,666.14, 107,499.45 and 21,746.65 is: 32,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,666.14 : 107,499.45 = 21,746.65 : x
  2. Step 2: Convert to fraction form
    71,666.14/107,499.45 = 21,746.65/x
  3. Step 3: Cross multiply
    71,666.14x = 107,499.45 × 21,746.65
  4. Step 4: Simplify right side
    71,666.14x = 2,337,752,914.34
  5. Step 5: Solve for x
    x = 2,337,752,914.34/71,666.14
  6. Step 6: Final answer
    x = 32,620.05

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1.5x scale

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.