Home / 57,056.82-78,737.95-31,906.32

Finding the Fourth Proportional to 57,056.82, 78,737.95 and 31,906.32

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Solution

The fourth proportional to 57,056.82, 78,737.95 and 31,906.32 is: 44,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.82 : 78,737.95 = 31,906.32 : x
  2. Step 2: Convert to fraction form
    57,056.82/78,737.95 = 31,906.32/x
  3. Step 3: Cross multiply
    57,056.82x = 78,737.95 × 31,906.32
  4. Step 4: Simplify right side
    57,056.82x = 2,512,238,228.84
  5. Step 5: Solve for x
    x = 2,512,238,228.84/57,056.82
  6. Step 6: Final answer
    x = 44,030.46

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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.