Home / 109,523.95-151,150.10-61,776.27

Finding the Fourth Proportional to 109,523.95, 151,150.10 and 61,776.27

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Solution

The fourth proportional to 109,523.95, 151,150.10 and 61,776.27 is: 85,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,523.95 : 151,150.10 = 61,776.27 : x
  2. Step 2: Convert to fraction form
    109,523.95/151,150.10 = 61,776.27/x
  3. Step 3: Cross multiply
    109,523.95x = 151,150.10 × 61,776.27
  4. Step 4: Simplify right side
    109,523.95x = 9,337,489,426.74
  5. Step 5: Solve for x
    x = 9,337,489,426.74/109,523.95
  6. Step 6: Final answer
    x = 85,255.23

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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.