Home / 73,320.86-101,177.70-43,107.50

Finding the Fourth Proportional to 73,320.86, 101,177.70 and 43,107.50

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Solution

The fourth proportional to 73,320.86, 101,177.70 and 43,107.50 is: 59,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,320.86 : 101,177.70 = 43,107.50 : x
  2. Step 2: Convert to fraction form
    73,320.86/101,177.70 = 43,107.50/x
  3. Step 3: Cross multiply
    73,320.86x = 101,177.70 × 43,107.50
  4. Step 4: Simplify right side
    73,320.86x = 4,361,517,702.75
  5. Step 5: Solve for x
    x = 4,361,517,702.75/73,320.86
  6. Step 6: Final answer
    x = 59,485.36

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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.