Home / 66,399.08-99,504.86-56,499.26

Finding the Fourth Proportional to 66,399.08, 99,504.86 and 56,499.26

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Solution

The fourth proportional to 66,399.08, 99,504.86 and 56,499.26 is: 84,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,399.08 : 99,504.86 = 56,499.26 : x
  2. Step 2: Convert to fraction form
    66,399.08/99,504.86 = 56,499.26/x
  3. Step 3: Cross multiply
    66,399.08x = 99,504.86 × 56,499.26
  4. Step 4: Simplify right side
    66,399.08x = 5,621,950,176.38
  5. Step 5: Solve for x
    x = 5,621,950,176.38/66,399.08
  6. Step 6: Final answer
    x = 84,669.10

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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.