Home / 57,195.95-85,772.86-19,746.41

Finding the Fourth Proportional to 57,195.95, 85,772.86 and 19,746.41

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Solution

The fourth proportional to 57,195.95, 85,772.86 and 19,746.41 is: 29,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,195.95 : 85,772.86 = 19,746.41 : x
  2. Step 2: Convert to fraction form
    57,195.95/85,772.86 = 19,746.41/x
  3. Step 3: Cross multiply
    57,195.95x = 85,772.86 × 19,746.41
  4. Step 4: Simplify right side
    57,195.95x = 1,693,705,582.20
  5. Step 5: Solve for x
    x = 1,693,705,582.20/57,195.95
  6. Step 6: Final answer
    x = 29,612.34

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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.