Home / 53,405.47-73,727.37-49,871.71

Finding the Fourth Proportional to 53,405.47, 73,727.37 and 49,871.71

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Solution

The fourth proportional to 53,405.47, 73,727.37 and 49,871.71 is: 68,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,405.47 : 73,727.37 = 49,871.71 : x
  2. Step 2: Convert to fraction form
    53,405.47/73,727.37 = 49,871.71/x
  3. Step 3: Cross multiply
    53,405.47x = 73,727.37 × 49,871.71
  4. Step 4: Simplify right side
    53,405.47x = 3,676,909,397.71
  5. Step 5: Solve for x
    x = 3,676,909,397.71/53,405.47
  6. Step 6: Final answer
    x = 68,848.94

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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.