Home / 25,087.80-37,631.28-6,112.50

Finding the Fourth Proportional to 25,087.80, 37,631.28 and 6,112.50

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Solution

The fourth proportional to 25,087.80, 37,631.28 and 6,112.50 is: 9,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,087.80 : 37,631.28 = 6,112.50 : x
  2. Step 2: Convert to fraction form
    25,087.80/37,631.28 = 6,112.50/x
  3. Step 3: Cross multiply
    25,087.80x = 37,631.28 × 6,112.50
  4. Step 4: Simplify right side
    25,087.80x = 230,021,199
  5. Step 5: Solve for x
    x = 230,021,199/25,087.80
  6. Step 6: Final answer
    x = 9,168.65

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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.