Home / 80,051.52-119,901.78-63,430.32

Finding the Fourth Proportional to 80,051.52, 119,901.78 and 63,430.32

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Solution

The fourth proportional to 80,051.52, 119,901.78 and 63,430.32 is: 95,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,051.52 : 119,901.78 = 63,430.32 : x
  2. Step 2: Convert to fraction form
    80,051.52/119,901.78 = 63,430.32/x
  3. Step 3: Cross multiply
    80,051.52x = 119,901.78 × 63,430.32
  4. Step 4: Simplify right side
    80,051.52x = 7,605,408,273.97
  5. Step 5: Solve for x
    x = 7,605,408,273.97/80,051.52
  6. Step 6: Final answer
    x = 95,006.42

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1.5x scale

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.