Home / 99,906.54-149,933.70-47,316.12

Finding the Fourth Proportional to 99,906.54, 149,933.70 and 47,316.12

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Solution

The fourth proportional to 99,906.54, 149,933.70 and 47,316.12 is: 71,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,906.54 : 149,933.70 = 47,316.12 : x
  2. Step 2: Convert to fraction form
    99,906.54/149,933.70 = 47,316.12/x
  3. Step 3: Cross multiply
    99,906.54x = 149,933.70 × 47,316.12
  4. Step 4: Simplify right side
    99,906.54x = 7,094,280,941.24
  5. Step 5: Solve for x
    x = 7,094,280,941.24/99,906.54
  6. Step 6: Final answer
    x = 71,009.17

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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.