Home / 101,867.13-152,950.64-56,976.43

Finding the Fourth Proportional to 101,867.13, 152,950.64 and 56,976.43

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Solution

The fourth proportional to 101,867.13, 152,950.64 and 56,976.43 is: 85,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,867.13 : 152,950.64 = 56,976.43 : x
  2. Step 2: Convert to fraction form
    101,867.13/152,950.64 = 56,976.43/x
  3. Step 3: Cross multiply
    101,867.13x = 152,950.64 × 56,976.43
  4. Step 4: Simplify right side
    101,867.13x = 8,714,581,433.42
  5. Step 5: Solve for x
    x = 8,714,581,433.42/101,867.13
  6. Step 6: Final answer
    x = 85,548.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.