Home / 86,320.53-129,428.91-33,754.77

Finding the Fourth Proportional to 86,320.53, 129,428.91 and 33,754.77

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Solution

The fourth proportional to 86,320.53, 129,428.91 and 33,754.77 is: 50,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,320.53 : 129,428.91 = 33,754.77 : x
  2. Step 2: Convert to fraction form
    86,320.53/129,428.91 = 33,754.77/x
  3. Step 3: Cross multiply
    86,320.53x = 129,428.91 × 33,754.77
  4. Step 4: Simplify right side
    86,320.53x = 4,368,843,088.40
  5. Step 5: Solve for x
    x = 4,368,843,088.40/86,320.53
  6. Step 6: Final answer
    x = 50,611.87

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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.