Home / 109,657.79-164,462.08-50,436.56

Finding the Fourth Proportional to 109,657.79, 164,462.08 and 50,436.56

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Solution

The fourth proportional to 109,657.79, 164,462.08 and 50,436.56 is: 75,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,657.79 : 164,462.08 = 50,436.56 : x
  2. Step 2: Convert to fraction form
    109,657.79/164,462.08 = 50,436.56/x
  3. Step 3: Cross multiply
    109,657.79x = 164,462.08 × 50,436.56
  4. Step 4: Simplify right side
    109,657.79x = 8,294,901,565.64
  5. Step 5: Solve for x
    x = 8,294,901,565.64/109,657.79
  6. Step 6: Final answer
    x = 75,643.52

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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.