Home / 107,815.36-148,784.64-60,065.76

Finding the Fourth Proportional to 107,815.36, 148,784.64 and 60,065.76

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Solution

The fourth proportional to 107,815.36, 148,784.64 and 60,065.76 is: 82,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,815.36 : 148,784.64 = 60,065.76 : x
  2. Step 2: Convert to fraction form
    107,815.36/148,784.64 = 60,065.76/x
  3. Step 3: Cross multiply
    107,815.36x = 148,784.64 × 60,065.76
  4. Step 4: Simplify right side
    107,815.36x = 8,936,862,477.93
  5. Step 5: Solve for x
    x = 8,936,862,477.93/107,815.36
  6. Step 6: Final answer
    x = 82,890.44

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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.