Home / 53,752.02-80,663.15-20,472.41

Finding the Fourth Proportional to 53,752.02, 80,663.15 and 20,472.41

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Solution

The fourth proportional to 53,752.02, 80,663.15 and 20,472.41 is: 30,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,752.02 : 80,663.15 = 20,472.41 : x
  2. Step 2: Convert to fraction form
    53,752.02/80,663.15 = 20,472.41/x
  3. Step 3: Cross multiply
    53,752.02x = 80,663.15 × 20,472.41
  4. Step 4: Simplify right side
    53,752.02x = 1,651,368,573.01
  5. Step 5: Solve for x
    x = 1,651,368,573.01/53,752.02
  6. Step 6: Final answer
    x = 30,721.98

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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.