Home / 107,895.82-148,910.66-61,973.53

Finding the Fourth Proportional to 107,895.82, 148,910.66 and 61,973.53

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Solution

The fourth proportional to 107,895.82, 148,910.66 and 61,973.53 is: 85,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,895.82 : 148,910.66 = 61,973.53 : x
  2. Step 2: Convert to fraction form
    107,895.82/148,910.66 = 61,973.53/x
  3. Step 3: Cross multiply
    107,895.82x = 148,910.66 × 61,973.53
  4. Step 4: Simplify right side
    107,895.82x = 9,228,518,200.41
  5. Step 5: Solve for x
    x = 9,228,518,200.41/107,895.82
  6. Step 6: Final answer
    x = 85,531.75

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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.