Home / 52,738.10-79,113.29-18,533.36

Finding the Fourth Proportional to 52,738.10, 79,113.29 and 18,533.36

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Solution

The fourth proportional to 52,738.10, 79,113.29 and 18,533.36 is: 27,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.10 : 79,113.29 = 18,533.36 : x
  2. Step 2: Convert to fraction form
    52,738.10/79,113.29 = 18,533.36/x
  3. Step 3: Cross multiply
    52,738.10x = 79,113.29 × 18,533.36
  4. Step 4: Simplify right side
    52,738.10x = 1,466,235,189.47
  5. Step 5: Solve for x
    x = 1,466,235,189.47/52,738.10
  6. Step 6: Final answer
    x = 27,802.20

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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.