Home / 67,236.31-100,573.55-47,244.40

Finding the Fourth Proportional to 67,236.31, 100,573.55 and 47,244.40

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Solution

The fourth proportional to 67,236.31, 100,573.55 and 47,244.40 is: 70,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,236.31 : 100,573.55 = 47,244.40 : x
  2. Step 2: Convert to fraction form
    67,236.31/100,573.55 = 47,244.40/x
  3. Step 3: Cross multiply
    67,236.31x = 100,573.55 × 47,244.40
  4. Step 4: Simplify right side
    67,236.31x = 4,751,536,715.13
  5. Step 5: Solve for x
    x = 4,751,536,715.13/67,236.31
  6. Step 6: Final answer
    x = 70,669.21

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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.