Home / 89,511.49-134,267.22-42,622.21

Finding the Fourth Proportional to 89,511.49, 134,267.22 and 42,622.21

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Solution

The fourth proportional to 89,511.49, 134,267.22 and 42,622.21 is: 63,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,511.49 : 134,267.22 = 42,622.21 : x
  2. Step 2: Convert to fraction form
    89,511.49/134,267.22 = 42,622.21/x
  3. Step 3: Cross multiply
    89,511.49x = 134,267.22 × 42,622.21
  4. Step 4: Simplify right side
    89,511.49x = 5,722,765,646.96
  5. Step 5: Solve for x
    x = 5,722,765,646.96/89,511.49
  6. Step 6: Final answer
    x = 63,933.31

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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.