Home / 99,132.66-148,473.26-77,651.27

Finding the Fourth Proportional to 99,132.66, 148,473.26 and 77,651.27

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Solution

The fourth proportional to 99,132.66, 148,473.26 and 77,651.27 is: 116,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,132.66 : 148,473.26 = 77,651.27 : x
  2. Step 2: Convert to fraction form
    99,132.66/148,473.26 = 77,651.27/x
  3. Step 3: Cross multiply
    99,132.66x = 148,473.26 × 77,651.27
  4. Step 4: Simplify right side
    99,132.66x = 11,529,136,069.42
  5. Step 5: Solve for x
    x = 11,529,136,069.42/99,132.66
  6. Step 6: Final answer
    x = 116,300.08

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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.