Home / 40,861.16-61,287.14-11,283.20

Finding the Fourth Proportional to 40,861.16, 61,287.14 and 11,283.20

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Solution

The fourth proportional to 40,861.16, 61,287.14 and 11,283.20 is: 16,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,861.16 : 61,287.14 = 11,283.20 : x
  2. Step 2: Convert to fraction form
    40,861.16/61,287.14 = 11,283.20/x
  3. Step 3: Cross multiply
    40,861.16x = 61,287.14 × 11,283.20
  4. Step 4: Simplify right side
    40,861.16x = 691,514,779.82
  5. Step 5: Solve for x
    x = 691,514,779.82/40,861.16
  6. Step 6: Final answer
    x = 16,923.53

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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.