Home / 55,652.18-76,788.69-32,981.20

Finding the Fourth Proportional to 55,652.18, 76,788.69 and 32,981.20

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Solution

The fourth proportional to 55,652.18, 76,788.69 and 32,981.20 is: 45,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.18 : 76,788.69 = 32,981.20 : x
  2. Step 2: Convert to fraction form
    55,652.18/76,788.69 = 32,981.20/x
  3. Step 3: Cross multiply
    55,652.18x = 76,788.69 × 32,981.20
  4. Step 4: Simplify right side
    55,652.18x = 2,532,582,758.68
  5. Step 5: Solve for x
    x = 2,532,582,758.68/55,652.18
  6. Step 6: Final answer
    x = 45,507.34

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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.