Home / 89,124.53-122,989.91-48,837.42

Finding the Fourth Proportional to 89,124.53, 122,989.91 and 48,837.42

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Solution

The fourth proportional to 89,124.53, 122,989.91 and 48,837.42 is: 67,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,124.53 : 122,989.91 = 48,837.42 : x
  2. Step 2: Convert to fraction form
    89,124.53/122,989.91 = 48,837.42/x
  3. Step 3: Cross multiply
    89,124.53x = 122,989.91 × 48,837.42
  4. Step 4: Simplify right side
    89,124.53x = 6,006,509,646.25
  5. Step 5: Solve for x
    x = 6,006,509,646.25/89,124.53
  6. Step 6: Final answer
    x = 67,394.58

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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.