Home / 109,575.50-151,205.85-61,833.29

Finding the Fourth Proportional to 109,575.50, 151,205.85 and 61,833.29

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Solution

The fourth proportional to 109,575.50, 151,205.85 and 61,833.29 is: 85,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,575.50 : 151,205.85 = 61,833.29 : x
  2. Step 2: Convert to fraction form
    109,575.50/151,205.85 = 61,833.29/x
  3. Step 3: Cross multiply
    109,575.50x = 151,205.85 × 61,833.29
  4. Step 4: Simplify right side
    109,575.50x = 9,349,554,416.72
  5. Step 5: Solve for x
    x = 9,349,554,416.72/109,575.50
  6. Step 6: Final answer
    x = 85,325.23

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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.