Home / 91,848.66-137,772.90-25,289.16

Finding the Fourth Proportional to 91,848.66, 137,772.90 and 25,289.16

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Solution

The fourth proportional to 91,848.66, 137,772.90 and 25,289.16 is: 37,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,848.66 : 137,772.90 = 25,289.16 : x
  2. Step 2: Convert to fraction form
    91,848.66/137,772.90 = 25,289.16/x
  3. Step 3: Cross multiply
    91,848.66x = 137,772.90 × 25,289.16
  4. Step 4: Simplify right side
    91,848.66x = 3,484,160,911.76
  5. Step 5: Solve for x
    x = 3,484,160,911.76/91,848.66
  6. Step 6: Final answer
    x = 37,933.72

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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.