Home / 99,666.57-149,560.88-39,723.79

Finding the Fourth Proportional to 99,666.57, 149,560.88 and 39,723.79

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Solution

The fourth proportional to 99,666.57, 149,560.88 and 39,723.79 is: 59,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,666.57 : 149,560.88 = 39,723.79 : x
  2. Step 2: Convert to fraction form
    99,666.57/149,560.88 = 39,723.79/x
  3. Step 3: Cross multiply
    99,666.57x = 149,560.88 × 39,723.79
  4. Step 4: Simplify right side
    99,666.57x = 5,941,124,989.34
  5. Step 5: Solve for x
    x = 5,941,124,989.34/99,666.57
  6. Step 6: Final answer
    x = 59,610.01

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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.