Home / 52,399.17-78,610.36-19,119.14

Finding the Fourth Proportional to 52,399.17, 78,610.36 and 19,119.14

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Solution

The fourth proportional to 52,399.17, 78,610.36 and 19,119.14 is: 28,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,399.17 : 78,610.36 = 19,119.14 : x
  2. Step 2: Convert to fraction form
    52,399.17/78,610.36 = 19,119.14/x
  3. Step 3: Cross multiply
    52,399.17x = 78,610.36 × 19,119.14
  4. Step 4: Simplify right side
    52,399.17x = 1,502,962,627.02
  5. Step 5: Solve for x
    x = 1,502,962,627.02/52,399.17
  6. Step 6: Final answer
    x = 28,682.95

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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.