Home / 99,944.58-149,812.38-47,291.34

Finding the Fourth Proportional to 99,944.58, 149,812.38 and 47,291.34

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Solution

The fourth proportional to 99,944.58, 149,812.38 and 47,291.34 is: 70,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,944.58 : 149,812.38 = 47,291.34 : x
  2. Step 2: Convert to fraction form
    99,944.58/149,812.38 = 47,291.34/x
  3. Step 3: Cross multiply
    99,944.58x = 149,812.38 × 47,291.34
  4. Step 4: Simplify right side
    99,944.58x = 7,084,828,198.79
  5. Step 5: Solve for x
    x = 7,084,828,198.79/99,944.58
  6. Step 6: Final answer
    x = 70,887.57

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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.