Home / 89,239.79-123,154.32-48,955.25

Finding the Fourth Proportional to 89,239.79, 123,154.32 and 48,955.25

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Solution

The fourth proportional to 89,239.79, 123,154.32 and 48,955.25 is: 67,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,239.79 : 123,154.32 = 48,955.25 : x
  2. Step 2: Convert to fraction form
    89,239.79/123,154.32 = 48,955.25/x
  3. Step 3: Cross multiply
    89,239.79x = 123,154.32 × 48,955.25
  4. Step 4: Simplify right side
    89,239.79x = 6,029,050,524.18
  5. Step 5: Solve for x
    x = 6,029,050,524.18/89,239.79
  6. Step 6: Final answer
    x = 67,560.12

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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.