Home / 127,287.77-175,637.63-73,562.43

Finding the Fourth Proportional to 127,287.77, 175,637.63 and 73,562.43

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Solution

The fourth proportional to 127,287.77, 175,637.63 and 73,562.43 is: 101,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,287.77 : 175,637.63 = 73,562.43 : x
  2. Step 2: Convert to fraction form
    127,287.77/175,637.63 = 73,562.43/x
  3. Step 3: Cross multiply
    127,287.77x = 175,637.63 × 73,562.43
  4. Step 4: Simplify right side
    127,287.77x = 12,920,330,494.43
  5. Step 5: Solve for x
    x = 12,920,330,494.43/127,287.77
  6. Step 6: Final answer
    x = 101,504.89

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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.