Home / 77,327.22-106,719.03-43,341.45

Finding the Fourth Proportional to 77,327.22, 106,719.03 and 43,341.45

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Solution

The fourth proportional to 77,327.22, 106,719.03 and 43,341.45 is: 59,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327.22 : 106,719.03 = 43,341.45 : x
  2. Step 2: Convert to fraction form
    77,327.22/106,719.03 = 43,341.45/x
  3. Step 3: Cross multiply
    77,327.22x = 106,719.03 × 43,341.45
  4. Step 4: Simplify right side
    77,327.22x = 4,625,357,502.79
  5. Step 5: Solve for x
    x = 4,625,357,502.79/77,327.22
  6. Step 6: Final answer
    x = 59,815.39

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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.