Home / 89,211.25-123,111.53-49,467.25

Finding the Fourth Proportional to 89,211.25, 123,111.53 and 49,467.25

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Solution

The fourth proportional to 89,211.25, 123,111.53 and 49,467.25 is: 68,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.25 : 123,111.53 = 49,467.25 : x
  2. Step 2: Convert to fraction form
    89,211.25/123,111.53 = 49,467.25/x
  3. Step 3: Cross multiply
    89,211.25x = 123,111.53 × 49,467.25
  4. Step 4: Simplify right side
    89,211.25x = 6,089,988,585.06
  5. Step 5: Solve for x
    x = 6,089,988,585.06/89,211.25
  6. Step 6: Final answer
    x = 68,264.81

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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.