Home / 79,724.60-119,431.22-48,482.36

Finding the Fourth Proportional to 79,724.60, 119,431.22 and 48,482.36

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Solution

The fourth proportional to 79,724.60, 119,431.22 and 48,482.36 is: 72,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,724.60 : 119,431.22 = 48,482.36 : x
  2. Step 2: Convert to fraction form
    79,724.60/119,431.22 = 48,482.36/x
  3. Step 3: Cross multiply
    79,724.60x = 119,431.22 × 48,482.36
  4. Step 4: Simplify right side
    79,724.60x = 5,790,307,403.28
  5. Step 5: Solve for x
    x = 5,790,307,403.28/79,724.60
  6. Step 6: Final answer
    x = 72,628.87

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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.