Home / 76,306.72-114,484.98-36,868.36

Finding the Fourth Proportional to 76,306.72, 114,484.98 and 36,868.36

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Solution

The fourth proportional to 76,306.72, 114,484.98 and 36,868.36 is: 55,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,306.72 : 114,484.98 = 36,868.36 : x
  2. Step 2: Convert to fraction form
    76,306.72/114,484.98 = 36,868.36/x
  3. Step 3: Cross multiply
    76,306.72x = 114,484.98 × 36,868.36
  4. Step 4: Simplify right side
    76,306.72x = 4,220,873,457.23
  5. Step 5: Solve for x
    x = 4,220,873,457.23/76,306.72
  6. Step 6: Final answer
    x = 55,314.57

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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.