Home / 52,052.41-78,077.20-14,612.79

Finding the Fourth Proportional to 52,052.41, 78,077.20 and 14,612.79

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Solution

The fourth proportional to 52,052.41, 78,077.20 and 14,612.79 is: 21,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,052.41 : 78,077.20 = 14,612.79 : x
  2. Step 2: Convert to fraction form
    52,052.41/78,077.20 = 14,612.79/x
  3. Step 3: Cross multiply
    52,052.41x = 78,077.20 × 14,612.79
  4. Step 4: Simplify right side
    52,052.41x = 1,140,925,727.39
  5. Step 5: Solve for x
    x = 1,140,925,727.39/52,052.41
  6. Step 6: Final answer
    x = 21,918.79

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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.