Home / 92,280.96-138,377.68-47,863.28

Finding the Fourth Proportional to 92,280.96, 138,377.68 and 47,863.28

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Solution

The fourth proportional to 92,280.96, 138,377.68 and 47,863.28 is: 71,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,280.96 : 138,377.68 = 47,863.28 : x
  2. Step 2: Convert to fraction form
    92,280.96/138,377.68 = 47,863.28/x
  3. Step 3: Cross multiply
    92,280.96x = 138,377.68 × 47,863.28
  4. Step 4: Simplify right side
    92,280.96x = 6,623,209,643.59
  5. Step 5: Solve for x
    x = 6,623,209,643.59/92,280.96
  6. Step 6: Final answer
    x = 71,772.22

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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.