Home / 106,030.71-146,315.25-58,281.75

Finding the Fourth Proportional to 106,030.71, 146,315.25 and 58,281.75

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Solution

The fourth proportional to 106,030.71, 146,315.25 and 58,281.75 is: 80,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,030.71 : 146,315.25 = 58,281.75 : x
  2. Step 2: Convert to fraction form
    106,030.71/146,315.25 = 58,281.75/x
  3. Step 3: Cross multiply
    106,030.71x = 146,315.25 × 58,281.75
  4. Step 4: Simplify right side
    106,030.71x = 8,527,508,821.69
  5. Step 5: Solve for x
    x = 8,527,508,821.69/106,030.71
  6. Step 6: Final answer
    x = 80,424.90

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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.