Home / 124,516.49-186,774.12-57,919.91

Finding the Fourth Proportional to 124,516.49, 186,774.12 and 57,919.91

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Solution

The fourth proportional to 124,516.49, 186,774.12 and 57,919.91 is: 86,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.49 : 186,774.12 = 57,919.91 : x
  2. Step 2: Convert to fraction form
    124,516.49/186,774.12 = 57,919.91/x
  3. Step 3: Cross multiply
    124,516.49x = 186,774.12 × 57,919.91
  4. Step 4: Simplify right side
    124,516.49x = 10,817,939,286.86
  5. Step 5: Solve for x
    x = 10,817,939,286.86/124,516.49
  6. Step 6: Final answer
    x = 86,879.57

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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.