Home / 99,947.48-149,969.82-47,294.24

Finding the Fourth Proportional to 99,947.48, 149,969.82 and 47,294.24

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Solution

The fourth proportional to 99,947.48, 149,969.82 and 47,294.24 is: 70,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,947.48 : 149,969.82 = 47,294.24 : x
  2. Step 2: Convert to fraction form
    99,947.48/149,969.82 = 47,294.24/x
  3. Step 3: Cross multiply
    99,947.48x = 149,969.82 × 47,294.24
  4. Step 4: Simplify right side
    99,947.48x = 7,092,708,659.84
  5. Step 5: Solve for x
    x = 7,092,708,659.84/99,947.48
  6. Step 6: Final answer
    x = 70,964.36

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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.