Home / 77,744.12-107,267.88-43,746

Finding the Fourth Proportional to 77,744.12, 107,267.88 and 43,746

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Solution

The fourth proportional to 77,744.12, 107,267.88 and 43,746 is: 60,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,744.12 : 107,267.88 = 43,746 : x
  2. Step 2: Convert to fraction form
    77,744.12/107,267.88 = 43,746/x
  3. Step 3: Cross multiply
    77,744.12x = 107,267.88 × 43,746
  4. Step 4: Simplify right side
    77,744.12x = 4,692,540,678.48
  5. Step 5: Solve for x
    x = 4,692,540,678.48/77,744.12
  6. Step 6: Final answer
    x = 60,358.79

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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.