Home / 89,611.20-134,359.20-37,041.60

Finding the Fourth Proportional to 89,611.20, 134,359.20 and 37,041.60

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Solution

The fourth proportional to 89,611.20, 134,359.20 and 37,041.60 is: 55,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,611.20 : 134,359.20 = 37,041.60 : x
  2. Step 2: Convert to fraction form
    89,611.20/134,359.20 = 37,041.60/x
  3. Step 3: Cross multiply
    89,611.20x = 134,359.20 × 37,041.60
  4. Step 4: Simplify right side
    89,611.20x = 4,976,879,742.72
  5. Step 5: Solve for x
    x = 4,976,879,742.72/89,611.20
  6. Step 6: Final answer
    x = 55,538.59

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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.