Home / 103,370.24-142,666.54-63,107.48

Finding the Fourth Proportional to 103,370.24, 142,666.54 and 63,107.48

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Solution

The fourth proportional to 103,370.24, 142,666.54 and 63,107.48 is: 87,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,370.24 : 142,666.54 = 63,107.48 : x
  2. Step 2: Convert to fraction form
    103,370.24/142,666.54 = 63,107.48/x
  3. Step 3: Cross multiply
    103,370.24x = 142,666.54 × 63,107.48
  4. Step 4: Simplify right side
    103,370.24x = 9,003,324,948.62
  5. Step 5: Solve for x
    x = 9,003,324,948.62/103,370.24
  6. Step 6: Final answer
    x = 87,097.85

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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.