Home / 109,479.53-151,081.67-59,178.53

Finding the Fourth Proportional to 109,479.53, 151,081.67 and 59,178.53

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Solution

The fourth proportional to 109,479.53, 151,081.67 and 59,178.53 is: 81,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,479.53 : 151,081.67 = 59,178.53 : x
  2. Step 2: Convert to fraction form
    109,479.53/151,081.67 = 59,178.53/x
  3. Step 3: Cross multiply
    109,479.53x = 151,081.67 × 59,178.53
  4. Step 4: Simplify right side
    109,479.53x = 8,940,791,666.20
  5. Step 5: Solve for x
    x = 8,940,791,666.20/109,479.53
  6. Step 6: Final answer
    x = 81,666.33

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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.