Home / 91,848.72-137,772.96-25,289.28

Finding the Fourth Proportional to 91,848.72, 137,772.96 and 25,289.28

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Solution

The fourth proportional to 91,848.72, 137,772.96 and 25,289.28 is: 37,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,848.72 : 137,772.96 = 25,289.28 : x
  2. Step 2: Convert to fraction form
    91,848.72/137,772.96 = 25,289.28/x
  3. Step 3: Cross multiply
    91,848.72x = 137,772.96 × 25,289.28
  4. Step 4: Simplify right side
    91,848.72x = 3,484,178,961.87
  5. Step 5: Solve for x
    x = 3,484,178,961.87/91,848.72
  6. Step 6: Final answer
    x = 37,933.89

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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.