Home / 79,438.29-119,184.73-49,821.45

Finding the Fourth Proportional to 79,438.29, 119,184.73 and 49,821.45

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Solution

The fourth proportional to 79,438.29, 119,184.73 and 49,821.45 is: 74,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,438.29 : 119,184.73 = 49,821.45 : x
  2. Step 2: Convert to fraction form
    79,438.29/119,184.73 = 49,821.45/x
  3. Step 3: Cross multiply
    79,438.29x = 119,184.73 × 49,821.45
  4. Step 4: Simplify right side
    79,438.29x = 5,937,956,066.46
  5. Step 5: Solve for x
    x = 5,937,956,066.46/79,438.29
  6. Step 6: Final answer
    x = 74,749.29

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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.