Home / 107,707.11-148,539.06-67,424.55

Finding the Fourth Proportional to 107,707.11, 148,539.06 and 67,424.55

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Solution

The fourth proportional to 107,707.11, 148,539.06 and 67,424.55 is: 92,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,707.11 : 148,539.06 = 67,424.55 : x
  2. Step 2: Convert to fraction form
    107,707.11/148,539.06 = 67,424.55/x
  3. Step 3: Cross multiply
    107,707.11x = 148,539.06 × 67,424.55
  4. Step 4: Simplify right side
    107,707.11x = 10,015,179,277.92
  5. Step 5: Solve for x
    x = 10,015,179,277.92/107,707.11
  6. Step 6: Final answer
    x = 92,985.31

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1.5x scale

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.