Home / 86,368.38-129,552.57-33,740.96

Finding the Fourth Proportional to 86,368.38, 129,552.57 and 33,740.96

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Solution

The fourth proportional to 86,368.38, 129,552.57 and 33,740.96 is: 50,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,368.38 : 129,552.57 = 33,740.96 : x
  2. Step 2: Convert to fraction form
    86,368.38/129,552.57 = 33,740.96/x
  3. Step 3: Cross multiply
    86,368.38x = 129,552.57 × 33,740.96
  4. Step 4: Simplify right side
    86,368.38x = 4,371,228,082.27
  5. Step 5: Solve for x
    x = 4,371,228,082.27/86,368.38
  6. Step 6: Final answer
    x = 50,611.44

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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.