Home / 56,491.02-77,957.70-31,340.52

Finding the Fourth Proportional to 56,491.02, 77,957.70 and 31,340.52

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Solution

The fourth proportional to 56,491.02, 77,957.70 and 31,340.52 is: 43,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.02 : 77,957.70 = 31,340.52 : x
  2. Step 2: Convert to fraction form
    56,491.02/77,957.70 = 31,340.52/x
  3. Step 3: Cross multiply
    56,491.02x = 77,957.70 × 31,340.52
  4. Step 4: Simplify right side
    56,491.02x = 2,443,234,856.00
  5. Step 5: Solve for x
    x = 2,443,234,856.00/56,491.02
  6. Step 6: Final answer
    x = 43,249.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.