Home / 64,528.94-89,061.34-48,257.78

Finding the Fourth Proportional to 64,528.94, 89,061.34 and 48,257.78

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Solution

The fourth proportional to 64,528.94, 89,061.34 and 48,257.78 is: 66,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,528.94 : 89,061.34 = 48,257.78 : x
  2. Step 2: Convert to fraction form
    64,528.94/89,061.34 = 48,257.78/x
  3. Step 3: Cross multiply
    64,528.94x = 89,061.34 × 48,257.78
  4. Step 4: Simplify right side
    64,528.94x = 4,297,902,280.34
  5. Step 5: Solve for x
    x = 4,297,902,280.34/64,528.94
  6. Step 6: Final answer
    x = 66,604.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.