Home / 79,533.20-109,756.04-45,542.20

Finding the Fourth Proportional to 79,533.20, 109,756.04 and 45,542.20

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Solution

The fourth proportional to 79,533.20, 109,756.04 and 45,542.20 is: 62,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,533.20 : 109,756.04 = 45,542.20 : x
  2. Step 2: Convert to fraction form
    79,533.20/109,756.04 = 45,542.20/x
  3. Step 3: Cross multiply
    79,533.20x = 109,756.04 × 45,542.20
  4. Step 4: Simplify right side
    79,533.20x = 4,998,531,524.89
  5. Step 5: Solve for x
    x = 4,998,531,524.89/79,533.20
  6. Step 6: Final answer
    x = 62,848.36

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1.5x scale

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.