Home / 99,024-136,653.12-54,311.04

Finding the Fourth Proportional to 99,024, 136,653.12 and 54,311.04

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Solution

The fourth proportional to 99,024, 136,653.12 and 54,311.04 is: 74,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,024 : 136,653.12 = 54,311.04 : x
  2. Step 2: Convert to fraction form
    99,024/136,653.12 = 54,311.04/x
  3. Step 3: Cross multiply
    99,024x = 136,653.12 × 54,311.04
  4. Step 4: Simplify right side
    99,024x = 7,421,773,066.44
  5. Step 5: Solve for x
    x = 7,421,773,066.44/99,024
  6. Step 6: Final answer
    x = 74,949.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.