Home / 99,666.18-149,560.32-39,723.41

Finding the Fourth Proportional to 99,666.18, 149,560.32 and 39,723.41

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Solution

The fourth proportional to 99,666.18, 149,560.32 and 39,723.41 is: 59,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,666.18 : 149,560.32 = 39,723.41 : x
  2. Step 2: Convert to fraction form
    99,666.18/149,560.32 = 39,723.41/x
  3. Step 3: Cross multiply
    99,666.18x = 149,560.32 × 39,723.41
  4. Step 4: Simplify right side
    99,666.18x = 5,941,045,911.09
  5. Step 5: Solve for x
    x = 5,941,045,911.09/99,666.18
  6. Step 6: Final answer
    x = 59,609.45

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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.