Home / 99,906.01-149,932.95-47,315.62

Finding the Fourth Proportional to 99,906.01, 149,932.95 and 47,315.62

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Solution

The fourth proportional to 99,906.01, 149,932.95 and 47,315.62 is: 71,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,906.01 : 149,932.95 = 47,315.62 : x
  2. Step 2: Convert to fraction form
    99,906.01/149,932.95 = 47,315.62/x
  3. Step 3: Cross multiply
    99,906.01x = 149,932.95 × 47,315.62
  4. Step 4: Simplify right side
    99,906.01x = 7,094,170,487.68
  5. Step 5: Solve for x
    x = 7,094,170,487.68/99,906.01
  6. Step 6: Final answer
    x = 71,008.45

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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.