Home / 117,052.09-161,532.44-66,066.98

Finding the Fourth Proportional to 117,052.09, 161,532.44 and 66,066.98

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Solution

The fourth proportional to 117,052.09, 161,532.44 and 66,066.98 is: 91,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,052.09 : 161,532.44 = 66,066.98 : x
  2. Step 2: Convert to fraction form
    117,052.09/161,532.44 = 66,066.98/x
  3. Step 3: Cross multiply
    117,052.09x = 161,532.44 × 66,066.98
  4. Step 4: Simplify right side
    117,052.09x = 10,671,959,964.21
  5. Step 5: Solve for x
    x = 10,671,959,964.21/117,052.09
  6. Step 6: Final answer
    x = 91,172.74

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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.