Home / 117,072.18-161,560.02-63,357.18

Finding the Fourth Proportional to 117,072.18, 161,560.02 and 63,357.18

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Solution

The fourth proportional to 117,072.18, 161,560.02 and 63,357.18 is: 87,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,072.18 : 161,560.02 = 63,357.18 : x
  2. Step 2: Convert to fraction form
    117,072.18/161,560.02 = 63,357.18/x
  3. Step 3: Cross multiply
    117,072.18x = 161,560.02 × 63,357.18
  4. Step 4: Simplify right side
    117,072.18x = 10,235,987,267.94
  5. Step 5: Solve for x
    x = 10,235,987,267.94/117,072.18
  6. Step 6: Final answer
    x = 87,433.13

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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.