Home / 99,523.10-148,956.60-69,998.60

Finding the Fourth Proportional to 99,523.10, 148,956.60 and 69,998.60

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Solution

The fourth proportional to 99,523.10, 148,956.60 and 69,998.60 is: 104,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,523.10 : 148,956.60 = 69,998.60 : x
  2. Step 2: Convert to fraction form
    99,523.10/148,956.60 = 69,998.60/x
  3. Step 3: Cross multiply
    99,523.10x = 148,956.60 × 69,998.60
  4. Step 4: Simplify right side
    99,523.10x = 10,426,753,460.76
  5. Step 5: Solve for x
    x = 10,426,753,460.76/99,523.10
  6. Step 6: Final answer
    x = 104,767.17

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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.