Home / 106,513.98-147,002.30-61,191.87

Finding the Fourth Proportional to 106,513.98, 147,002.30 and 61,191.87

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Solution

The fourth proportional to 106,513.98, 147,002.30 and 61,191.87 is: 84,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,513.98 : 147,002.30 = 61,191.87 : x
  2. Step 2: Convert to fraction form
    106,513.98/147,002.30 = 61,191.87/x
  3. Step 3: Cross multiply
    106,513.98x = 147,002.30 × 61,191.87
  4. Step 4: Simplify right side
    106,513.98x = 8,995,345,631.30
  5. Step 5: Solve for x
    x = 8,995,345,631.30/106,513.98
  6. Step 6: Final answer
    x = 84,452.25

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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.