Home / 53,121.04-79,695.44-19,841.38

Finding the Fourth Proportional to 53,121.04, 79,695.44 and 19,841.38

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Solution

The fourth proportional to 53,121.04, 79,695.44 and 19,841.38 is: 29,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121.04 : 79,695.44 = 19,841.38 : x
  2. Step 2: Convert to fraction form
    53,121.04/79,695.44 = 19,841.38/x
  3. Step 3: Cross multiply
    53,121.04x = 79,695.44 × 19,841.38
  4. Step 4: Simplify right side
    53,121.04x = 1,581,267,509.31
  5. Step 5: Solve for x
    x = 1,581,267,509.31/53,121.04
  6. Step 6: Final answer
    x = 29,767.25

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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.