Home / 53,300.16-79,721.28-31,057.92

Finding the Fourth Proportional to 53,300.16, 79,721.28 and 31,057.92

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Solution

The fourth proportional to 53,300.16, 79,721.28 and 31,057.92 is: 46,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,300.16 : 79,721.28 = 31,057.92 : x
  2. Step 2: Convert to fraction form
    53,300.16/79,721.28 = 31,057.92/x
  3. Step 3: Cross multiply
    53,300.16x = 79,721.28 × 31,057.92
  4. Step 4: Simplify right side
    53,300.16x = 2,475,977,136.54
  5. Step 5: Solve for x
    x = 2,475,977,136.54/53,300.16
  6. Step 6: Final answer
    x = 46,453.47

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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.