Home / 56,722.12-85,095.48-17,278.20

Finding the Fourth Proportional to 56,722.12, 85,095.48 and 17,278.20

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Solution

The fourth proportional to 56,722.12, 85,095.48 and 17,278.20 is: 25,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,722.12 : 85,095.48 = 17,278.20 : x
  2. Step 2: Convert to fraction form
    56,722.12/85,095.48 = 17,278.20/x
  3. Step 3: Cross multiply
    56,722.12x = 85,095.48 × 17,278.20
  4. Step 4: Simplify right side
    56,722.12x = 1,470,296,722.54
  5. Step 5: Solve for x
    x = 1,470,296,722.54/56,722.12
  6. Step 6: Final answer
    x = 25,921.05

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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.