Home / 92,600.50-139,085.27-87,378.13

Finding the Fourth Proportional to 92,600.50, 139,085.27 and 87,378.13

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Solution

The fourth proportional to 92,600.50, 139,085.27 and 87,378.13 is: 131,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,600.50 : 139,085.27 = 87,378.13 : x
  2. Step 2: Convert to fraction form
    92,600.50/139,085.27 = 87,378.13/x
  3. Step 3: Cross multiply
    92,600.50x = 139,085.27 × 87,378.13
  4. Step 4: Simplify right side
    92,600.50x = 12,153,010,366.25
  5. Step 5: Solve for x
    x = 12,153,010,366.25/92,600.50
  6. Step 6: Final answer
    x = 131,241.30

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1.5x scale

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.