Home / 40,751.40-61,054.20-25,150.80

Finding the Fourth Proportional to 40,751.40, 61,054.20 and 25,150.80

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Solution

The fourth proportional to 40,751.40, 61,054.20 and 25,150.80 is: 37,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,751.40 : 61,054.20 = 25,150.80 : x
  2. Step 2: Convert to fraction form
    40,751.40/61,054.20 = 25,150.80/x
  3. Step 3: Cross multiply
    40,751.40x = 61,054.20 × 25,150.80
  4. Step 4: Simplify right side
    40,751.40x = 1,535,561,973.36
  5. Step 5: Solve for x
    x = 1,535,561,973.36/40,751.40
  6. Step 6: Final answer
    x = 37,681.21

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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.