Home / 101,860.08-140,560.23-56,535.85

Finding the Fourth Proportional to 101,860.08, 140,560.23 and 56,535.85

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Solution

The fourth proportional to 101,860.08, 140,560.23 and 56,535.85 is: 78,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,860.08 : 140,560.23 = 56,535.85 : x
  2. Step 2: Convert to fraction form
    101,860.08/140,560.23 = 56,535.85/x
  3. Step 3: Cross multiply
    101,860.08x = 140,560.23 × 56,535.85
  4. Step 4: Simplify right side
    101,860.08x = 7,946,692,079.25
  5. Step 5: Solve for x
    x = 7,946,692,079.25/101,860.08
  6. Step 6: Final answer
    x = 78,015.77

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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.