Home / 79,723.40-119,354.70-48,619.40

Finding the Fourth Proportional to 79,723.40, 119,354.70 and 48,619.40

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Solution

The fourth proportional to 79,723.40, 119,354.70 and 48,619.40 is: 72,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,723.40 : 119,354.70 = 48,619.40 : x
  2. Step 2: Convert to fraction form
    79,723.40/119,354.70 = 48,619.40/x
  3. Step 3: Cross multiply
    79,723.40x = 119,354.70 × 48,619.40
  4. Step 4: Simplify right side
    79,723.40x = 5,802,953,901.18
  5. Step 5: Solve for x
    x = 5,802,953,901.18/79,723.40
  6. Step 6: Final answer
    x = 72,788.59

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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.