Home / 89,281.29-133,907.31-33,108.21

Finding the Fourth Proportional to 89,281.29, 133,907.31 and 33,108.21

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Solution

The fourth proportional to 89,281.29, 133,907.31 and 33,108.21 is: 49,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,281.29 : 133,907.31 = 33,108.21 : x
  2. Step 2: Convert to fraction form
    89,281.29/133,907.31 = 33,108.21/x
  3. Step 3: Cross multiply
    89,281.29x = 133,907.31 × 33,108.21
  4. Step 4: Simplify right side
    89,281.29x = 4,433,431,340.02
  5. Step 5: Solve for x
    x = 4,433,431,340.02/89,281.29
  6. Step 6: Final answer
    x = 49,656.89

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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.