Home / 107,216.46-147,979.71-61,923.69

Finding the Fourth Proportional to 107,216.46, 147,979.71 and 61,923.69

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Solution

The fourth proportional to 107,216.46, 147,979.71 and 61,923.69 is: 85,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,216.46 : 147,979.71 = 61,923.69 : x
  2. Step 2: Convert to fraction form
    107,216.46/147,979.71 = 61,923.69/x
  3. Step 3: Cross multiply
    107,216.46x = 147,979.71 × 61,923.69
  4. Step 4: Simplify right side
    107,216.46x = 9,163,449,688.33
  5. Step 5: Solve for x
    x = 9,163,449,688.33/107,216.46
  6. Step 6: Final answer
    x = 85,466.82

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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.