Home / 89,984.35-124,176.40-49,147.12

Finding the Fourth Proportional to 89,984.35, 124,176.40 and 49,147.12

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Solution

The fourth proportional to 89,984.35, 124,176.40 and 49,147.12 is: 67,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.35 : 124,176.40 = 49,147.12 : x
  2. Step 2: Convert to fraction form
    89,984.35/124,176.40 = 49,147.12/x
  3. Step 3: Cross multiply
    89,984.35x = 124,176.40 × 49,147.12
  4. Step 4: Simplify right side
    89,984.35x = 6,102,912,431.97
  5. Step 5: Solve for x
    x = 6,102,912,431.97/89,984.35
  6. Step 6: Final answer
    x = 67,821.93

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1.5x scale

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.