Home / 52,765.16-79,147.58-40,774.76

Finding the Fourth Proportional to 52,765.16, 79,147.58 and 40,774.76

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Solution

The fourth proportional to 52,765.16, 79,147.58 and 40,774.76 is: 61,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.16 : 79,147.58 = 40,774.76 : x
  2. Step 2: Convert to fraction form
    52,765.16/79,147.58 = 40,774.76/x
  3. Step 3: Cross multiply
    52,765.16x = 79,147.58 × 40,774.76
  4. Step 4: Simplify right side
    52,765.16x = 3,227,223,579.08
  5. Step 5: Solve for x
    x = 3,227,223,579.08/52,765.16
  6. Step 6: Final answer
    x = 61,162.02

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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.