Home / 89,437.50-134,211.60-52,015.14

Finding the Fourth Proportional to 89,437.50, 134,211.60 and 52,015.14

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Solution

The fourth proportional to 89,437.50, 134,211.60 and 52,015.14 is: 78,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,437.50 : 134,211.60 = 52,015.14 : x
  2. Step 2: Convert to fraction form
    89,437.50/134,211.60 = 52,015.14/x
  3. Step 3: Cross multiply
    89,437.50x = 134,211.60 × 52,015.14
  4. Step 4: Simplify right side
    89,437.50x = 6,981,035,163.62
  5. Step 5: Solve for x
    x = 6,981,035,163.62/89,437.50
  6. Step 6: Final answer
    x = 78,054.90

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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.