Home / 60,516.66-90,775.40-21,073.65

Finding the Fourth Proportional to 60,516.66, 90,775.40 and 21,073.65

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Solution

The fourth proportional to 60,516.66, 90,775.40 and 21,073.65 is: 31,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,516.66 : 90,775.40 = 21,073.65 : x
  2. Step 2: Convert to fraction form
    60,516.66/90,775.40 = 21,073.65/x
  3. Step 3: Cross multiply
    60,516.66x = 90,775.40 × 21,073.65
  4. Step 4: Simplify right side
    60,516.66x = 1,912,969,008.21
  5. Step 5: Solve for x
    x = 1,912,969,008.21/60,516.66
  6. Step 6: Final answer
    x = 31,610.62

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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.