Home / 98,007.20-146,816.40-58,446.80

Finding the Fourth Proportional to 98,007.20, 146,816.40 and 58,446.80

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Solution

The fourth proportional to 98,007.20, 146,816.40 and 58,446.80 is: 87,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,007.20 : 146,816.40 = 58,446.80 : x
  2. Step 2: Convert to fraction form
    98,007.20/146,816.40 = 58,446.80/x
  3. Step 3: Cross multiply
    98,007.20x = 146,816.40 × 58,446.80
  4. Step 4: Simplify right side
    98,007.20x = 8,580,948,767.52
  5. Step 5: Solve for x
    x = 8,580,948,767.52/98,007.20
  6. Step 6: Final answer
    x = 87,554.27

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1.5x scale

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.