Home / 102,015.08-152,930.46-36,335.72

Finding the Fourth Proportional to 102,015.08, 152,930.46 and 36,335.72

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Solution

The fourth proportional to 102,015.08, 152,930.46 and 36,335.72 is: 54,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,015.08 : 152,930.46 = 36,335.72 : x
  2. Step 2: Convert to fraction form
    102,015.08/152,930.46 = 36,335.72/x
  3. Step 3: Cross multiply
    102,015.08x = 152,930.46 × 36,335.72
  4. Step 4: Simplify right side
    102,015.08x = 5,556,838,374.03
  5. Step 5: Solve for x
    x = 5,556,838,374.03/102,015.08
  6. Step 6: Final answer
    x = 54,470.75

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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.