Home / 89,611.48-134,436.66-27,280.36

Finding the Fourth Proportional to 89,611.48, 134,436.66 and 27,280.36

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Solution

The fourth proportional to 89,611.48, 134,436.66 and 27,280.36 is: 40,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,611.48 : 134,436.66 = 27,280.36 : x
  2. Step 2: Convert to fraction form
    89,611.48/134,436.66 = 27,280.36/x
  3. Step 3: Cross multiply
    89,611.48x = 134,436.66 × 27,280.36
  4. Step 4: Simplify right side
    89,611.48x = 3,667,480,482.00
  5. Step 5: Solve for x
    x = 3,667,480,482.00/89,611.48
  6. Step 6: Final answer
    x = 40,926.46

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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.