Home / 127,579.77-176,081.67-73,897.47

Finding the Fourth Proportional to 127,579.77, 176,081.67 and 73,897.47

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Solution

The fourth proportional to 127,579.77, 176,081.67 and 73,897.47 is: 101,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,579.77 : 176,081.67 = 73,897.47 : x
  2. Step 2: Convert to fraction form
    127,579.77/176,081.67 = 73,897.47/x
  3. Step 3: Cross multiply
    127,579.77x = 176,081.67 × 73,897.47
  4. Step 4: Simplify right side
    127,579.77x = 13,011,989,926.37
  5. Step 5: Solve for x
    x = 13,011,989,926.37/127,579.77
  6. Step 6: Final answer
    x = 101,991.01

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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.