Home / 99,411.12-149,072.94-52,653.06

Finding the Fourth Proportional to 99,411.12, 149,072.94 and 52,653.06

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Solution

The fourth proportional to 99,411.12, 149,072.94 and 52,653.06 is: 78,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,411.12 : 149,072.94 = 52,653.06 : x
  2. Step 2: Convert to fraction form
    99,411.12/149,072.94 = 52,653.06/x
  3. Step 3: Cross multiply
    99,411.12x = 149,072.94 × 52,653.06
  4. Step 4: Simplify right side
    99,411.12x = 7,849,146,454.20
  5. Step 5: Solve for x
    x = 7,849,146,454.20/99,411.12
  6. Step 6: Final answer
    x = 78,956.42

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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.