Home / 75,003.20-112,533.60-73,822.40

Finding the Fourth Proportional to 75,003.20, 112,533.60 and 73,822.40

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Solution

The fourth proportional to 75,003.20, 112,533.60 and 73,822.40 is: 110,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003.20 : 112,533.60 = 73,822.40 : x
  2. Step 2: Convert to fraction form
    75,003.20/112,533.60 = 73,822.40/x
  3. Step 3: Cross multiply
    75,003.20x = 112,533.60 × 73,822.40
  4. Step 4: Simplify right side
    75,003.20x = 8,307,500,432.64
  5. Step 5: Solve for x
    x = 8,307,500,432.64/75,003.20
  6. Step 6: Final answer
    x = 110,761.95

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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.