Home / 52,079.19-78,118.89-18,822.74

Finding the Fourth Proportional to 52,079.19, 78,118.89 and 18,822.74

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Solution

The fourth proportional to 52,079.19, 78,118.89 and 18,822.74 is: 28,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079.19 : 78,118.89 = 18,822.74 : x
  2. Step 2: Convert to fraction form
    52,079.19/78,118.89 = 18,822.74/x
  3. Step 3: Cross multiply
    52,079.19x = 78,118.89 × 18,822.74
  4. Step 4: Simplify right side
    52,079.19x = 1,470,411,555.56
  5. Step 5: Solve for x
    x = 1,470,411,555.56/52,079.19
  6. Step 6: Final answer
    x = 28,234.15

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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.