Home / 88,722.20-133,083.30-53,730.20

Finding the Fourth Proportional to 88,722.20, 133,083.30 and 53,730.20

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Solution

The fourth proportional to 88,722.20, 133,083.30 and 53,730.20 is: 80,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,722.20 : 133,083.30 = 53,730.20 : x
  2. Step 2: Convert to fraction form
    88,722.20/133,083.30 = 53,730.20/x
  3. Step 3: Cross multiply
    88,722.20x = 133,083.30 × 53,730.20
  4. Step 4: Simplify right side
    88,722.20x = 7,150,592,325.66
  5. Step 5: Solve for x
    x = 7,150,592,325.66/88,722.20
  6. Step 6: Final answer
    x = 80,595.30

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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.