Home / 57,820.08-79,769.20-36,300.66

Finding the Fourth Proportional to 57,820.08, 79,769.20 and 36,300.66

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Solution

The fourth proportional to 57,820.08, 79,769.20 and 36,300.66 is: 50,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,820.08 : 79,769.20 = 36,300.66 : x
  2. Step 2: Convert to fraction form
    57,820.08/79,769.20 = 36,300.66/x
  3. Step 3: Cross multiply
    57,820.08x = 79,769.20 × 36,300.66
  4. Step 4: Simplify right side
    57,820.08x = 2,895,674,607.67
  5. Step 5: Solve for x
    x = 2,895,674,607.67/57,820.08
  6. Step 6: Final answer
    x = 50,080.78

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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.