Home / 99,601.30-149,401.32-40,436.38

Finding the Fourth Proportional to 99,601.30, 149,401.32 and 40,436.38

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Solution

The fourth proportional to 99,601.30, 149,401.32 and 40,436.38 is: 60,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,601.30 : 149,401.32 = 40,436.38 : x
  2. Step 2: Convert to fraction form
    99,601.30/149,401.32 = 40,436.38/x
  3. Step 3: Cross multiply
    99,601.30x = 149,401.32 × 40,436.38
  4. Step 4: Simplify right side
    99,601.30x = 6,041,248,548.02
  5. Step 5: Solve for x
    x = 6,041,248,548.02/99,601.30
  6. Step 6: Final answer
    x = 60,654.31

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1.5x scale

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.