Home / 77,668.56-107,182.02-43,677.06

Finding the Fourth Proportional to 77,668.56, 107,182.02 and 43,677.06

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Solution

The fourth proportional to 77,668.56, 107,182.02 and 43,677.06 is: 60,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,668.56 : 107,182.02 = 43,677.06 : x
  2. Step 2: Convert to fraction form
    77,668.56/107,182.02 = 43,677.06/x
  3. Step 3: Cross multiply
    77,668.56x = 107,182.02 × 43,677.06
  4. Step 4: Simplify right side
    77,668.56x = 4,681,395,518.46
  5. Step 5: Solve for x
    x = 4,681,395,518.46/77,668.56
  6. Step 6: Final answer
    x = 60,274.01

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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.