Home / 89,478.75-123,477.53-49,192.22

Finding the Fourth Proportional to 89,478.75, 123,477.53 and 49,192.22

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Solution

The fourth proportional to 89,478.75, 123,477.53 and 49,192.22 is: 67,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478.75 : 123,477.53 = 49,192.22 : x
  2. Step 2: Convert to fraction form
    89,478.75/123,477.53 = 49,192.22/x
  3. Step 3: Cross multiply
    89,478.75x = 123,477.53 × 49,192.22
  4. Step 4: Simplify right side
    89,478.75x = 6,074,133,883.55
  5. Step 5: Solve for x
    x = 6,074,133,883.55/89,478.75
  6. Step 6: Final answer
    x = 67,883.54

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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.