Home / 66,068.08-91,173.32-35,853.36

Finding the Fourth Proportional to 66,068.08, 91,173.32 and 35,853.36

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Solution

The fourth proportional to 66,068.08, 91,173.32 and 35,853.36 is: 49,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068.08 : 91,173.32 = 35,853.36 : x
  2. Step 2: Convert to fraction form
    66,068.08/91,173.32 = 35,853.36/x
  3. Step 3: Cross multiply
    66,068.08x = 91,173.32 × 35,853.36
  4. Step 4: Simplify right side
    66,068.08x = 3,268,869,864.36
  5. Step 5: Solve for x
    x = 3,268,869,864.36/66,068.08
  6. Step 6: Final answer
    x = 49,477.29

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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.