Home / 49,663.18-68,539.08-28,449.28

Finding the Fourth Proportional to 49,663.18, 68,539.08 and 28,449.28

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Solution

The fourth proportional to 49,663.18, 68,539.08 and 28,449.28 is: 39,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,663.18 : 68,539.08 = 28,449.28 : x
  2. Step 2: Convert to fraction form
    49,663.18/68,539.08 = 28,449.28/x
  3. Step 3: Cross multiply
    49,663.18x = 68,539.08 × 28,449.28
  4. Step 4: Simplify right side
    49,663.18x = 1,949,887,477.86
  5. Step 5: Solve for x
    x = 1,949,887,477.86/49,663.18
  6. Step 6: Final answer
    x = 39,262.24

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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.