Home / 53,012.52-79,519.12-15,572.44

Finding the Fourth Proportional to 53,012.52, 79,519.12 and 15,572.44

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Solution

The fourth proportional to 53,012.52, 79,519.12 and 15,572.44 is: 23,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.52 : 79,519.12 = 15,572.44 : x
  2. Step 2: Convert to fraction form
    53,012.52/79,519.12 = 15,572.44/x
  3. Step 3: Cross multiply
    53,012.52x = 79,519.12 × 15,572.44
  4. Step 4: Simplify right side
    53,012.52x = 1,238,307,009.17
  5. Step 5: Solve for x
    x = 1,238,307,009.17/53,012.52
  6. Step 6: Final answer
    x = 23,358.77

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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.