Home / 101,536.08-140,132.88-61,271.60

Finding the Fourth Proportional to 101,536.08, 140,132.88 and 61,271.60

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Solution

The fourth proportional to 101,536.08, 140,132.88 and 61,271.60 is: 84,562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,536.08 : 140,132.88 = 61,271.60 : x
  2. Step 2: Convert to fraction form
    101,536.08/140,132.88 = 61,271.60/x
  3. Step 3: Cross multiply
    101,536.08x = 140,132.88 × 61,271.60
  4. Step 4: Simplify right side
    101,536.08x = 8,586,165,770.21
  5. Step 5: Solve for x
    x = 8,586,165,770.21/101,536.08
  6. Step 6: Final answer
    x = 84,562.71

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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.