Home / 89,919.04-124,087.60-49,632.79

Finding the Fourth Proportional to 89,919.04, 124,087.60 and 49,632.79

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Solution

The fourth proportional to 89,919.04, 124,087.60 and 49,632.79 is: 68,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.04 : 124,087.60 = 49,632.79 : x
  2. Step 2: Convert to fraction form
    89,919.04/124,087.60 = 49,632.79/x
  3. Step 3: Cross multiply
    89,919.04x = 124,087.60 × 49,632.79
  4. Step 4: Simplify right side
    89,919.04x = 6,158,813,792.40
  5. Step 5: Solve for x
    x = 6,158,813,792.40/89,919.04
  6. Step 6: Final answer
    x = 68,492.88

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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.