Home / 109,097.10-150,553.05-61,349.40

Finding the Fourth Proportional to 109,097.10, 150,553.05 and 61,349.40

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Solution

The fourth proportional to 109,097.10, 150,553.05 and 61,349.40 is: 84,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,097.10 : 150,553.05 = 61,349.40 : x
  2. Step 2: Convert to fraction form
    109,097.10/150,553.05 = 61,349.40/x
  3. Step 3: Cross multiply
    109,097.10x = 150,553.05 × 61,349.40
  4. Step 4: Simplify right side
    109,097.10x = 9,236,339,285.67
  5. Step 5: Solve for x
    x = 9,236,339,285.67/109,097.10
  6. Step 6: Final answer
    x = 84,661.64

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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.