Home / 89,928.03-124,101.55-49,640.93

Finding the Fourth Proportional to 89,928.03, 124,101.55 and 49,640.93

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Solution

The fourth proportional to 89,928.03, 124,101.55 and 49,640.93 is: 68,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,928.03 : 124,101.55 = 49,640.93 : x
  2. Step 2: Convert to fraction form
    89,928.03/124,101.55 = 49,640.93/x
  3. Step 3: Cross multiply
    89,928.03x = 124,101.55 × 49,640.93
  4. Step 4: Simplify right side
    89,928.03x = 6,160,516,263.37
  5. Step 5: Solve for x
    x = 6,160,516,263.37/89,928.03
  6. Step 6: Final answer
    x = 68,504.96

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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.