Home / 51,341.96-77,012.34-18,061.90

Finding the Fourth Proportional to 51,341.96, 77,012.34 and 18,061.90

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Solution

The fourth proportional to 51,341.96, 77,012.34 and 18,061.90 is: 27,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,341.96 : 77,012.34 = 18,061.90 : x
  2. Step 2: Convert to fraction form
    51,341.96/77,012.34 = 18,061.90/x
  3. Step 3: Cross multiply
    51,341.96x = 77,012.34 × 18,061.90
  4. Step 4: Simplify right side
    51,341.96x = 1,390,988,923.58
  5. Step 5: Solve for x
    x = 1,390,988,923.58/51,341.96
  6. Step 6: Final answer
    x = 27,092.63

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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.