Home / 101,651.06-140,285.85-61,374.62

Finding the Fourth Proportional to 101,651.06, 140,285.85 and 61,374.62

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Solution

The fourth proportional to 101,651.06, 140,285.85 and 61,374.62 is: 84,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,651.06 : 140,285.85 = 61,374.62 : x
  2. Step 2: Convert to fraction form
    101,651.06/140,285.85 = 61,374.62/x
  3. Step 3: Cross multiply
    101,651.06x = 140,285.85 × 61,374.62
  4. Step 4: Simplify right side
    101,651.06x = 8,609,990,735.13
  5. Step 5: Solve for x
    x = 8,609,990,735.13/101,651.06
  6. Step 6: Final answer
    x = 84,701.44

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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.