Home / 107,309.61-160,965.23-40,731.80

Finding the Fourth Proportional to 107,309.61, 160,965.23 and 40,731.80

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Solution

The fourth proportional to 107,309.61, 160,965.23 and 40,731.80 is: 61,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,309.61 : 160,965.23 = 40,731.80 : x
  2. Step 2: Convert to fraction form
    107,309.61/160,965.23 = 40,731.80/x
  3. Step 3: Cross multiply
    107,309.61x = 160,965.23 × 40,731.80
  4. Step 4: Simplify right side
    107,309.61x = 6,556,402,546.83
  5. Step 5: Solve for x
    x = 6,556,402,546.83/107,309.61
  6. Step 6: Final answer
    x = 61,098.00

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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.