Home / 63,812.70-95,727.78-21,681.45

Finding the Fourth Proportional to 63,812.70, 95,727.78 and 21,681.45

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Solution

The fourth proportional to 63,812.70, 95,727.78 and 21,681.45 is: 32,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,812.70 : 95,727.78 = 21,681.45 : x
  2. Step 2: Convert to fraction form
    63,812.70/95,727.78 = 21,681.45/x
  3. Step 3: Cross multiply
    63,812.70x = 95,727.78 × 21,681.45
  4. Step 4: Simplify right side
    63,812.70x = 2,075,517,075.68
  5. Step 5: Solve for x
    x = 2,075,517,075.68/63,812.70
  6. Step 6: Final answer
    x = 32,525.14

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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.