Home / 40,743.74-61,020.84-39,622.64

Finding the Fourth Proportional to 40,743.74, 61,020.84 and 39,622.64

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Solution

The fourth proportional to 40,743.74, 61,020.84 and 39,622.64 is: 59,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.74 : 61,020.84 = 39,622.64 : x
  2. Step 2: Convert to fraction form
    40,743.74/61,020.84 = 39,622.64/x
  3. Step 3: Cross multiply
    40,743.74x = 61,020.84 × 39,622.64
  4. Step 4: Simplify right side
    40,743.74x = 2,417,806,775.82
  5. Step 5: Solve for x
    x = 2,417,806,775.82/40,743.74
  6. Step 6: Final answer
    x = 59,341.80

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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.