Home / 75,847.53-113,774.16-19,686.18

Finding the Fourth Proportional to 75,847.53, 113,774.16 and 19,686.18

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Solution

The fourth proportional to 75,847.53, 113,774.16 and 19,686.18 is: 29,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,847.53 : 113,774.16 = 19,686.18 : x
  2. Step 2: Convert to fraction form
    75,847.53/113,774.16 = 19,686.18/x
  3. Step 3: Cross multiply
    75,847.53x = 113,774.16 × 19,686.18
  4. Step 4: Simplify right side
    75,847.53x = 2,239,778,593.11
  5. Step 5: Solve for x
    x = 2,239,778,593.11/75,847.53
  6. Step 6: Final answer
    x = 29,530.01

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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.