Home / 97,319.88-134,313.39-54,877.50

Finding the Fourth Proportional to 97,319.88, 134,313.39 and 54,877.50

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Solution

The fourth proportional to 97,319.88, 134,313.39 and 54,877.50 is: 75,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,319.88 : 134,313.39 = 54,877.50 : x
  2. Step 2: Convert to fraction form
    97,319.88/134,313.39 = 54,877.50/x
  3. Step 3: Cross multiply
    97,319.88x = 134,313.39 × 54,877.50
  4. Step 4: Simplify right side
    97,319.88x = 7,370,783,059.73
  5. Step 5: Solve for x
    x = 7,370,783,059.73/97,319.88
  6. Step 6: Final answer
    x = 75,737.69

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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.