Home / 66,621.19-99,983.60-46,499.96

Finding the Fourth Proportional to 66,621.19, 99,983.60 and 46,499.96

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Solution

The fourth proportional to 66,621.19, 99,983.60 and 46,499.96 is: 69,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,621.19 : 99,983.60 = 46,499.96 : x
  2. Step 2: Convert to fraction form
    66,621.19/99,983.60 = 46,499.96/x
  3. Step 3: Cross multiply
    66,621.19x = 99,983.60 × 46,499.96
  4. Step 4: Simplify right side
    66,621.19x = 4,649,233,400.66
  5. Step 5: Solve for x
    x = 4,649,233,400.66/66,621.19
  6. Step 6: Final answer
    x = 69,786.11

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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.