Home / 106,977.85-147,613.75-59,231.07

Finding the Fourth Proportional to 106,977.85, 147,613.75 and 59,231.07

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Solution

The fourth proportional to 106,977.85, 147,613.75 and 59,231.07 is: 81,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,977.85 : 147,613.75 = 59,231.07 : x
  2. Step 2: Convert to fraction form
    106,977.85/147,613.75 = 59,231.07/x
  3. Step 3: Cross multiply
    106,977.85x = 147,613.75 × 59,231.07
  4. Step 4: Simplify right side
    106,977.85x = 8,743,320,211.13
  5. Step 5: Solve for x
    x = 8,743,320,211.13/106,977.85
  6. Step 6: Final answer
    x = 81,730.19

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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.