Home / 109,523.12-151,141.80-59,222

Finding the Fourth Proportional to 109,523.12, 151,141.80 and 59,222

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Solution

The fourth proportional to 109,523.12, 151,141.80 and 59,222 is: 81,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,523.12 : 151,141.80 = 59,222 : x
  2. Step 2: Convert to fraction form
    109,523.12/151,141.80 = 59,222/x
  3. Step 3: Cross multiply
    109,523.12x = 151,141.80 × 59,222
  4. Step 4: Simplify right side
    109,523.12x = 8,950,919,679.60
  5. Step 5: Solve for x
    x = 8,950,919,679.60/109,523.12
  6. Step 6: Final answer
    x = 81,726.30

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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.