Home / 89,059.14-122,901-48,772.14

Finding the Fourth Proportional to 89,059.14, 122,901 and 48,772.14

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Solution

The fourth proportional to 89,059.14, 122,901 and 48,772.14 is: 67,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,059.14 : 122,901 = 48,772.14 : x
  2. Step 2: Convert to fraction form
    89,059.14/122,901 = 48,772.14/x
  3. Step 3: Cross multiply
    89,059.14x = 122,901 × 48,772.14
  4. Step 4: Simplify right side
    89,059.14x = 5,994,144,778.14
  5. Step 5: Solve for x
    x = 5,994,144,778.14/89,059.14
  6. Step 6: Final answer
    x = 67,305.22

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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.