Home / 77,177.17-106,480.87-50,309.88

Finding the Fourth Proportional to 77,177.17, 106,480.87 and 50,309.88

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Solution

The fourth proportional to 77,177.17, 106,480.87 and 50,309.88 is: 69,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,177.17 : 106,480.87 = 50,309.88 : x
  2. Step 2: Convert to fraction form
    77,177.17/106,480.87 = 50,309.88/x
  3. Step 3: Cross multiply
    77,177.17x = 106,480.87 × 50,309.88
  4. Step 4: Simplify right side
    77,177.17x = 5,357,039,792.00
  5. Step 5: Solve for x
    x = 5,357,039,792.00/77,177.17
  6. Step 6: Final answer
    x = 69,412.23

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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.