Home / 51,186.87-76,780.22-23,116.77

Finding the Fourth Proportional to 51,186.87, 76,780.22 and 23,116.77

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Solution

The fourth proportional to 51,186.87, 76,780.22 and 23,116.77 is: 34,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.87 : 76,780.22 = 23,116.77 : x
  2. Step 2: Convert to fraction form
    51,186.87/76,780.22 = 23,116.77/x
  3. Step 3: Cross multiply
    51,186.87x = 76,780.22 × 23,116.77
  4. Step 4: Simplify right side
    51,186.87x = 1,774,910,570.71
  5. Step 5: Solve for x
    x = 1,774,910,570.71/51,186.87
  6. Step 6: Final answer
    x = 34,675.11

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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.