Home / 46,420.99-69,621-13,132.11

Finding the Fourth Proportional to 46,420.99, 69,621 and 13,132.11

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Solution

The fourth proportional to 46,420.99, 69,621 and 13,132.11 is: 19,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,420.99 : 69,621 = 13,132.11 : x
  2. Step 2: Convert to fraction form
    46,420.99/69,621 = 13,132.11/x
  3. Step 3: Cross multiply
    46,420.99x = 69,621 × 13,132.11
  4. Step 4: Simplify right side
    46,420.99x = 914,270,630.31
  5. Step 5: Solve for x
    x = 914,270,630.31/46,420.99
  6. Step 6: Final answer
    x = 19,695.20

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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.