Home / 51,187.13-76,795.94-36,987.70

Finding the Fourth Proportional to 51,187.13, 76,795.94 and 36,987.70

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Solution

The fourth proportional to 51,187.13, 76,795.94 and 36,987.70 is: 55,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,187.13 : 76,795.94 = 36,987.70 : x
  2. Step 2: Convert to fraction form
    51,187.13/76,795.94 = 36,987.70/x
  3. Step 3: Cross multiply
    51,187.13x = 76,795.94 × 36,987.70
  4. Step 4: Simplify right side
    51,187.13x = 2,840,505,189.94
  5. Step 5: Solve for x
    x = 2,840,505,189.94/51,187.13
  6. Step 6: Final answer
    x = 55,492.57

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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.