Home / 109,841.80-151,588.20-62,099.60

Finding the Fourth Proportional to 109,841.80, 151,588.20 and 62,099.60

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Solution

The fourth proportional to 109,841.80, 151,588.20 and 62,099.60 is: 85,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,841.80 : 151,588.20 = 62,099.60 : x
  2. Step 2: Convert to fraction form
    109,841.80/151,588.20 = 62,099.60/x
  3. Step 3: Cross multiply
    109,841.80x = 151,588.20 × 62,099.60
  4. Step 4: Simplify right side
    109,841.80x = 9,413,566,584.72
  5. Step 5: Solve for x
    x = 9,413,566,584.72/109,841.80
  6. Step 6: Final answer
    x = 85,701.13

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1.5x scale

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.