Home / 89,078.70-133,617.96-36,488.28

Finding the Fourth Proportional to 89,078.70, 133,617.96 and 36,488.28

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Solution

The fourth proportional to 89,078.70, 133,617.96 and 36,488.28 is: 54,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,078.70 : 133,617.96 = 36,488.28 : x
  2. Step 2: Convert to fraction form
    89,078.70/133,617.96 = 36,488.28/x
  3. Step 3: Cross multiply
    89,078.70x = 133,617.96 × 36,488.28
  4. Step 4: Simplify right side
    89,078.70x = 4,875,489,537.51
  5. Step 5: Solve for x
    x = 4,875,489,537.51/89,078.70
  6. Step 6: Final answer
    x = 54,732.38

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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.