Home / 76,087.66-114,038-42,737.62

Finding the Fourth Proportional to 76,087.66, 114,038 and 42,737.62

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Solution

The fourth proportional to 76,087.66, 114,038 and 42,737.62 is: 64,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,087.66 : 114,038 = 42,737.62 : x
  2. Step 2: Convert to fraction form
    76,087.66/114,038 = 42,737.62/x
  3. Step 3: Cross multiply
    76,087.66x = 114,038 × 42,737.62
  4. Step 4: Simplify right side
    76,087.66x = 4,873,712,709.56
  5. Step 5: Solve for x
    x = 4,873,712,709.56/76,087.66
  6. Step 6: Final answer
    x = 64,053.92

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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.