Home / 92,491.60-138,810.38-47,511.16

Finding the Fourth Proportional to 92,491.60, 138,810.38 and 47,511.16

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Solution

The fourth proportional to 92,491.60, 138,810.38 and 47,511.16 is: 71,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491.60 : 138,810.38 = 47,511.16 : x
  2. Step 2: Convert to fraction form
    92,491.60/138,810.38 = 47,511.16/x
  3. Step 3: Cross multiply
    92,491.60x = 138,810.38 × 47,511.16
  4. Step 4: Simplify right side
    92,491.60x = 6,595,042,173.84
  5. Step 5: Solve for x
    x = 6,595,042,173.84/92,491.60
  6. Step 6: Final answer
    x = 71,304.23

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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.