Home / 101,682.27-140,311.65-56,359.32

Finding the Fourth Proportional to 101,682.27, 140,311.65 and 56,359.32

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Solution

The fourth proportional to 101,682.27, 140,311.65 and 56,359.32 is: 77,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,682.27 : 140,311.65 = 56,359.32 : x
  2. Step 2: Convert to fraction form
    101,682.27/140,311.65 = 56,359.32/x
  3. Step 3: Cross multiply
    101,682.27x = 140,311.65 × 56,359.32
  4. Step 4: Simplify right side
    101,682.27x = 7,907,869,182.08
  5. Step 5: Solve for x
    x = 7,907,869,182.08/101,682.27
  6. Step 6: Final answer
    x = 77,770.38

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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.