Home / 57,113.70-85,261.77-49,642.36

Finding the Fourth Proportional to 57,113.70, 85,261.77 and 49,642.36

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Solution

The fourth proportional to 57,113.70, 85,261.77 and 49,642.36 is: 74,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.70 : 85,261.77 = 49,642.36 : x
  2. Step 2: Convert to fraction form
    57,113.70/85,261.77 = 49,642.36/x
  3. Step 3: Cross multiply
    57,113.70x = 85,261.77 × 49,642.36
  4. Step 4: Simplify right side
    57,113.70x = 4,232,595,480.58
  5. Step 5: Solve for x
    x = 4,232,595,480.58/57,113.70
  6. Step 6: Final answer
    x = 74,108.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.