Home / 76,087.95-114,070.08-31,747.74

Finding the Fourth Proportional to 76,087.95, 114,070.08 and 31,747.74

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Solution

The fourth proportional to 76,087.95, 114,070.08 and 31,747.74 is: 47,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,087.95 : 114,070.08 = 31,747.74 : x
  2. Step 2: Convert to fraction form
    76,087.95/114,070.08 = 31,747.74/x
  3. Step 3: Cross multiply
    76,087.95x = 114,070.08 × 31,747.74
  4. Step 4: Simplify right side
    76,087.95x = 3,621,467,241.62
  5. Step 5: Solve for x
    x = 3,621,467,241.62/76,087.95
  6. Step 6: Final answer
    x = 47,595.81

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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.