Home / 67,335.36-100,969.52-39,265.12

Finding the Fourth Proportional to 67,335.36, 100,969.52 and 39,265.12

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Solution

The fourth proportional to 67,335.36, 100,969.52 and 39,265.12 is: 58,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,335.36 : 100,969.52 = 39,265.12 : x
  2. Step 2: Convert to fraction form
    67,335.36/100,969.52 = 39,265.12/x
  3. Step 3: Cross multiply
    67,335.36x = 100,969.52 × 39,265.12
  4. Step 4: Simplify right side
    67,335.36x = 3,964,580,319.14
  5. Step 5: Solve for x
    x = 3,964,580,319.14/67,335.36
  6. Step 6: Final answer
    x = 58,878.13

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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.