Home / 64,926.12-89,620.38-38,077.32

Finding the Fourth Proportional to 64,926.12, 89,620.38 and 38,077.32

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Solution

The fourth proportional to 64,926.12, 89,620.38 and 38,077.32 is: 52,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,926.12 : 89,620.38 = 38,077.32 : x
  2. Step 2: Convert to fraction form
    64,926.12/89,620.38 = 38,077.32/x
  3. Step 3: Cross multiply
    64,926.12x = 89,620.38 × 38,077.32
  4. Step 4: Simplify right side
    64,926.12x = 3,412,503,887.78
  5. Step 5: Solve for x
    x = 3,412,503,887.78/64,926.12
  6. Step 6: Final answer
    x = 52,559.80

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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.