Home / 106,148.40-146,479.50-58,400.52

Finding the Fourth Proportional to 106,148.40, 146,479.50 and 58,400.52

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Solution

The fourth proportional to 106,148.40, 146,479.50 and 58,400.52 is: 80,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,148.40 : 146,479.50 = 58,400.52 : x
  2. Step 2: Convert to fraction form
    106,148.40/146,479.50 = 58,400.52/x
  3. Step 3: Cross multiply
    106,148.40x = 146,479.50 × 58,400.52
  4. Step 4: Simplify right side
    106,148.40x = 8,554,478,969.34
  5. Step 5: Solve for x
    x = 8,554,478,969.34/106,148.40
  6. Step 6: Final answer
    x = 80,589.81

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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.