Home / 56,310.44-77,710.02-31,162.28

Finding the Fourth Proportional to 56,310.44, 77,710.02 and 31,162.28

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Solution

The fourth proportional to 56,310.44, 77,710.02 and 31,162.28 is: 43,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,310.44 : 77,710.02 = 31,162.28 : x
  2. Step 2: Convert to fraction form
    56,310.44/77,710.02 = 31,162.28/x
  3. Step 3: Cross multiply
    56,310.44x = 77,710.02 × 31,162.28
  4. Step 4: Simplify right side
    56,310.44x = 2,421,621,402.05
  5. Step 5: Solve for x
    x = 2,421,621,402.05/56,310.44
  6. Step 6: Final answer
    x = 43,004.84

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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.