Home / 99,132.32-148,698.68-69,681.94

Finding the Fourth Proportional to 99,132.32, 148,698.68 and 69,681.94

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Solution

The fourth proportional to 99,132.32, 148,698.68 and 69,681.94 is: 104,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,132.32 : 148,698.68 = 69,681.94 : x
  2. Step 2: Convert to fraction form
    99,132.32/148,698.68 = 69,681.94/x
  3. Step 3: Cross multiply
    99,132.32x = 148,698.68 × 69,681.94
  4. Step 4: Simplify right side
    99,132.32x = 10,361,612,497.84
  5. Step 5: Solve for x
    x = 10,361,612,497.84/99,132.32
  6. Step 6: Final answer
    x = 104,523.05

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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.