Home / 92,328.15-138,440.26-29,136.50

Finding the Fourth Proportional to 92,328.15, 138,440.26 and 29,136.50

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Solution

The fourth proportional to 92,328.15, 138,440.26 and 29,136.50 is: 43,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,328.15 : 138,440.26 = 29,136.50 : x
  2. Step 2: Convert to fraction form
    92,328.15/138,440.26 = 29,136.50/x
  3. Step 3: Cross multiply
    92,328.15x = 138,440.26 × 29,136.50
  4. Step 4: Simplify right side
    92,328.15x = 4,033,664,635.49
  5. Step 5: Solve for x
    x = 4,033,664,635.49/92,328.15
  6. Step 6: Final answer
    x = 43,688.35

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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.