Home / 117,333.01-161,909.54-66,343.24

Finding the Fourth Proportional to 117,333.01, 161,909.54 and 66,343.24

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Solution

The fourth proportional to 117,333.01, 161,909.54 and 66,343.24 is: 91,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,333.01 : 161,909.54 = 66,343.24 : x
  2. Step 2: Convert to fraction form
    117,333.01/161,909.54 = 66,343.24/x
  3. Step 3: Cross multiply
    117,333.01x = 161,909.54 × 66,343.24
  4. Step 4: Simplify right side
    117,333.01x = 10,741,602,982.81
  5. Step 5: Solve for x
    x = 10,741,602,982.81/117,333.01
  6. Step 6: Final answer
    x = 91,548.01

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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.