Home / 76,962.84-115,325.19-51,904.68

Finding the Fourth Proportional to 76,962.84, 115,325.19 and 51,904.68

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Solution

The fourth proportional to 76,962.84, 115,325.19 and 51,904.68 is: 77,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962.84 : 115,325.19 = 51,904.68 : x
  2. Step 2: Convert to fraction form
    76,962.84/115,325.19 = 51,904.68/x
  3. Step 3: Cross multiply
    76,962.84x = 115,325.19 × 51,904.68
  4. Step 4: Simplify right side
    76,962.84x = 5,985,917,082.89
  5. Step 5: Solve for x
    x = 5,985,917,082.89/76,962.84
  6. Step 6: Final answer
    x = 77,776.72

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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.