Home / 79,564.14-119,340.81-57,417.66

Finding the Fourth Proportional to 79,564.14, 119,340.81 and 57,417.66

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Solution

The fourth proportional to 79,564.14, 119,340.81 and 57,417.66 is: 86,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,564.14 : 119,340.81 = 57,417.66 : x
  2. Step 2: Convert to fraction form
    79,564.14/119,340.81 = 57,417.66/x
  3. Step 3: Cross multiply
    79,564.14x = 119,340.81 × 57,417.66
  4. Step 4: Simplify right side
    79,564.14x = 6,852,270,052.70
  5. Step 5: Solve for x
    x = 6,852,270,052.70/79,564.14
  6. Step 6: Final answer
    x = 86,122.59

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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.