Home / 89,880.75-124,035.44-50,136.75

Finding the Fourth Proportional to 89,880.75, 124,035.44 and 50,136.75

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Solution

The fourth proportional to 89,880.75, 124,035.44 and 50,136.75 is: 69,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880.75 : 124,035.44 = 50,136.75 : x
  2. Step 2: Convert to fraction form
    89,880.75/124,035.44 = 50,136.75/x
  3. Step 3: Cross multiply
    89,880.75x = 124,035.44 × 50,136.75
  4. Step 4: Simplify right side
    89,880.75x = 6,218,733,595.74
  5. Step 5: Solve for x
    x = 6,218,733,595.74/89,880.75
  6. Step 6: Final answer
    x = 69,188.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.