Home / 92,787.39-139,181.02-32,859.81

Finding the Fourth Proportional to 92,787.39, 139,181.02 and 32,859.81

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Solution

The fourth proportional to 92,787.39, 139,181.02 and 32,859.81 is: 49,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,787.39 : 139,181.02 = 32,859.81 : x
  2. Step 2: Convert to fraction form
    92,787.39/139,181.02 = 32,859.81/x
  3. Step 3: Cross multiply
    92,787.39x = 139,181.02 × 32,859.81
  4. Step 4: Simplify right side
    92,787.39x = 4,573,461,790.66
  5. Step 5: Solve for x
    x = 4,573,461,790.66/92,787.39
  6. Step 6: Final answer
    x = 49,289.69

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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.