Home / 99,081.72-148,666.62-40,032.72

Finding the Fourth Proportional to 99,081.72, 148,666.62 and 40,032.72

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Solution

The fourth proportional to 99,081.72, 148,666.62 and 40,032.72 is: 60,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,081.72 : 148,666.62 = 40,032.72 : x
  2. Step 2: Convert to fraction form
    99,081.72/148,666.62 = 40,032.72/x
  3. Step 3: Cross multiply
    99,081.72x = 148,666.62 × 40,032.72
  4. Step 4: Simplify right side
    99,081.72x = 5,951,529,171.81
  5. Step 5: Solve for x
    x = 5,951,529,171.81/99,081.72
  6. Step 6: Final answer
    x = 60,066.87

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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.