Home / 57,205.02-85,621.20-51,748.86

Finding the Fourth Proportional to 57,205.02, 85,621.20 and 51,748.86

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Solution

The fourth proportional to 57,205.02, 85,621.20 and 51,748.86 is: 77,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,205.02 : 85,621.20 = 51,748.86 : x
  2. Step 2: Convert to fraction form
    57,205.02/85,621.20 = 51,748.86/x
  3. Step 3: Cross multiply
    57,205.02x = 85,621.20 × 51,748.86
  4. Step 4: Simplify right side
    57,205.02x = 4,430,799,491.83
  5. Step 5: Solve for x
    x = 4,430,799,491.83/57,205.02
  6. Step 6: Final answer
    x = 77,454.73

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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.