Home / 66,172.16-99,247.80-54,999.24

Finding the Fourth Proportional to 66,172.16, 99,247.80 and 54,999.24

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Solution

The fourth proportional to 66,172.16, 99,247.80 and 54,999.24 is: 82,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,172.16 : 99,247.80 = 54,999.24 : x
  2. Step 2: Convert to fraction form
    66,172.16/99,247.80 = 54,999.24/x
  3. Step 3: Cross multiply
    66,172.16x = 99,247.80 × 54,999.24
  4. Step 4: Simplify right side
    66,172.16x = 5,458,553,571.67
  5. Step 5: Solve for x
    x = 5,458,553,571.67/66,172.16
  6. Step 6: Final answer
    x = 82,490.18

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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.