Home / 61,718.09-85,172.51-37,857.92

Finding the Fourth Proportional to 61,718.09, 85,172.51 and 37,857.92

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Solution

The fourth proportional to 61,718.09, 85,172.51 and 37,857.92 is: 52,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,718.09 : 85,172.51 = 37,857.92 : x
  2. Step 2: Convert to fraction form
    61,718.09/85,172.51 = 37,857.92/x
  3. Step 3: Cross multiply
    61,718.09x = 85,172.51 × 37,857.92
  4. Step 4: Simplify right side
    61,718.09x = 3,224,453,738.56
  5. Step 5: Solve for x
    x = 3,224,453,738.56/61,718.09
  6. Step 6: Final answer
    x = 52,244.88

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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.