Home / 53,490.70-73,818.31-29,292.68

Finding the Fourth Proportional to 53,490.70, 73,818.31 and 29,292.68

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Solution

The fourth proportional to 53,490.70, 73,818.31 and 29,292.68 is: 40,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,490.70 : 73,818.31 = 29,292.68 : x
  2. Step 2: Convert to fraction form
    53,490.70/73,818.31 = 29,292.68/x
  3. Step 3: Cross multiply
    53,490.70x = 73,818.31 × 29,292.68
  4. Step 4: Simplify right side
    53,490.70x = 2,162,336,132.97
  5. Step 5: Solve for x
    x = 2,162,336,132.97/53,490.70
  6. Step 6: Final answer
    x = 40,424.52

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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.