Home / 52,202.81-78,315.76-22,215.47

Finding the Fourth Proportional to 52,202.81, 78,315.76 and 22,215.47

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Solution

The fourth proportional to 52,202.81, 78,315.76 and 22,215.47 is: 33,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,202.81 : 78,315.76 = 22,215.47 : x
  2. Step 2: Convert to fraction form
    52,202.81/78,315.76 = 22,215.47/x
  3. Step 3: Cross multiply
    52,202.81x = 78,315.76 × 22,215.47
  4. Step 4: Simplify right side
    52,202.81x = 1,739,821,713.79
  5. Step 5: Solve for x
    x = 1,739,821,713.79/52,202.81
  6. Step 6: Final answer
    x = 33,328.12

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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.