Home / 99,666.38-149,499.57-40,506.67

Finding the Fourth Proportional to 99,666.38, 149,499.57 and 40,506.67

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Solution

The fourth proportional to 99,666.38, 149,499.57 and 40,506.67 is: 60,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,666.38 : 149,499.57 = 40,506.67 : x
  2. Step 2: Convert to fraction form
    99,666.38/149,499.57 = 40,506.67/x
  3. Step 3: Cross multiply
    99,666.38x = 149,499.57 × 40,506.67
  4. Step 4: Simplify right side
    99,666.38x = 6,055,728,999.63
  5. Step 5: Solve for x
    x = 6,055,728,999.63/99,666.38
  6. Step 6: Final answer
    x = 60,760.00

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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.