Home / 76,066.85-104,937.33-49,218.11

Finding the Fourth Proportional to 76,066.85, 104,937.33 and 49,218.11

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Solution

The fourth proportional to 76,066.85, 104,937.33 and 49,218.11 is: 67,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,066.85 : 104,937.33 = 49,218.11 : x
  2. Step 2: Convert to fraction form
    76,066.85/104,937.33 = 49,218.11/x
  3. Step 3: Cross multiply
    76,066.85x = 104,937.33 × 49,218.11
  4. Step 4: Simplify right side
    76,066.85x = 5,164,817,051.05
  5. Step 5: Solve for x
    x = 5,164,817,051.05/76,066.85
  6. Step 6: Final answer
    x = 67,898.40

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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.