Home / 64,711.97-89,319.15-50,368.49

Finding the Fourth Proportional to 64,711.97, 89,319.15 and 50,368.49

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Solution

The fourth proportional to 64,711.97, 89,319.15 and 50,368.49 is: 69,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,711.97 : 89,319.15 = 50,368.49 : x
  2. Step 2: Convert to fraction form
    64,711.97/89,319.15 = 50,368.49/x
  3. Step 3: Cross multiply
    64,711.97x = 89,319.15 × 50,368.49
  4. Step 4: Simplify right side
    64,711.97x = 4,498,870,713.58
  5. Step 5: Solve for x
    x = 4,498,870,713.58/64,711.97
  6. Step 6: Final answer
    x = 69,521.46

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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.