Home / 74,847.16-112,211.18-43,221.32

Finding the Fourth Proportional to 74,847.16, 112,211.18 and 43,221.32

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Solution

The fourth proportional to 74,847.16, 112,211.18 and 43,221.32 is: 64,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,847.16 : 112,211.18 = 43,221.32 : x
  2. Step 2: Convert to fraction form
    74,847.16/112,211.18 = 43,221.32/x
  3. Step 3: Cross multiply
    74,847.16x = 112,211.18 × 43,221.32
  4. Step 4: Simplify right side
    74,847.16x = 4,849,915,318.36
  5. Step 5: Solve for x
    x = 4,849,915,318.36/74,847.16
  6. Step 6: Final answer
    x = 64,797.59

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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.