Home / 86,377.32-129,537.03-33,056.91

Finding the Fourth Proportional to 86,377.32, 129,537.03 and 33,056.91

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Solution

The fourth proportional to 86,377.32, 129,537.03 and 33,056.91 is: 49,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,377.32 : 129,537.03 = 33,056.91 : x
  2. Step 2: Convert to fraction form
    86,377.32/129,537.03 = 33,056.91/x
  3. Step 3: Cross multiply
    86,377.32x = 129,537.03 × 33,056.91
  4. Step 4: Simplify right side
    86,377.32x = 4,282,093,294.69
  5. Step 5: Solve for x
    x = 4,282,093,294.69/86,377.32
  6. Step 6: Final answer
    x = 49,574.28

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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.