Home / 79,750.64-119,644.47-27,160.58

Finding the Fourth Proportional to 79,750.64, 119,644.47 and 27,160.58

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Solution

The fourth proportional to 79,750.64, 119,644.47 and 27,160.58 is: 40,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,750.64 : 119,644.47 = 27,160.58 : x
  2. Step 2: Convert to fraction form
    79,750.64/119,644.47 = 27,160.58/x
  3. Step 3: Cross multiply
    79,750.64x = 119,644.47 × 27,160.58
  4. Step 4: Simplify right side
    79,750.64x = 3,249,612,600.77
  5. Step 5: Solve for x
    x = 3,249,612,600.77/79,750.64
  6. Step 6: Final answer
    x = 40,747.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.