Home / 89,124.84-122,993.64-48,838.28

Finding the Fourth Proportional to 89,124.84, 122,993.64 and 48,838.28

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Solution

The fourth proportional to 89,124.84, 122,993.64 and 48,838.28 is: 67,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,124.84 : 122,993.64 = 48,838.28 : x
  2. Step 2: Convert to fraction form
    89,124.84/122,993.64 = 48,838.28/x
  3. Step 3: Cross multiply
    89,124.84x = 122,993.64 × 48,838.28
  4. Step 4: Simplify right side
    89,124.84x = 6,006,797,213.57
  5. Step 5: Solve for x
    x = 6,006,797,213.57/89,124.84
  6. Step 6: Final answer
    x = 67,397.57

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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.