Home / 89,511.86-134,267.79-42,622.58

Finding the Fourth Proportional to 89,511.86, 134,267.79 and 42,622.58

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Solution

The fourth proportional to 89,511.86, 134,267.79 and 42,622.58 is: 63,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,511.86 : 134,267.79 = 42,622.58 : x
  2. Step 2: Convert to fraction form
    89,511.86/134,267.79 = 42,622.58/x
  3. Step 3: Cross multiply
    89,511.86x = 134,267.79 × 42,622.58
  4. Step 4: Simplify right side
    89,511.86x = 5,722,839,620.70
  5. Step 5: Solve for x
    x = 5,722,839,620.70/89,511.86
  6. Step 6: Final answer
    x = 63,933.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.