Home / 76,338.08-105,355.92-48,044.96

Finding the Fourth Proportional to 76,338.08, 105,355.92 and 48,044.96

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Solution

The fourth proportional to 76,338.08, 105,355.92 and 48,044.96 is: 66,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,338.08 : 105,355.92 = 48,044.96 : x
  2. Step 2: Convert to fraction form
    76,338.08/105,355.92 = 48,044.96/x
  3. Step 3: Cross multiply
    76,338.08x = 105,355.92 × 48,044.96
  4. Step 4: Simplify right side
    76,338.08x = 5,061,820,962.16
  5. Step 5: Solve for x
    x = 5,061,820,962.16/76,338.08
  6. Step 6: Final answer
    x = 66,307.94

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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.