Home / 71,209.24-106,720.44-52,401.22

Finding the Fourth Proportional to 71,209.24, 106,720.44 and 52,401.22

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Solution

The fourth proportional to 71,209.24, 106,720.44 and 52,401.22 is: 78,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209.24 : 106,720.44 = 52,401.22 : x
  2. Step 2: Convert to fraction form
    71,209.24/106,720.44 = 52,401.22/x
  3. Step 3: Cross multiply
    71,209.24x = 106,720.44 × 52,401.22
  4. Step 4: Simplify right side
    71,209.24x = 5,592,281,254.94
  5. Step 5: Solve for x
    x = 5,592,281,254.94/71,209.24
  6. Step 6: Final answer
    x = 78,533.08

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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.