Home / 101,855.85-152,933.75-56,965.16

Finding the Fourth Proportional to 101,855.85, 152,933.75 and 56,965.16

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Solution

The fourth proportional to 101,855.85, 152,933.75 and 56,965.16 is: 85,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,855.85 : 152,933.75 = 56,965.16 : x
  2. Step 2: Convert to fraction form
    101,855.85/152,933.75 = 56,965.16/x
  3. Step 3: Cross multiply
    101,855.85x = 152,933.75 × 56,965.16
  4. Step 4: Simplify right side
    101,855.85x = 8,711,895,538.15
  5. Step 5: Solve for x
    x = 8,711,895,538.15/101,855.85
  6. Step 6: Final answer
    x = 85,531.62

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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.