Home / 117,480.37-162,084.31-66,488.04

Finding the Fourth Proportional to 117,480.37, 162,084.31 and 66,488.04

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Solution

The fourth proportional to 117,480.37, 162,084.31 and 66,488.04 is: 91,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,480.37 : 162,084.31 = 66,488.04 : x
  2. Step 2: Convert to fraction form
    117,480.37/162,084.31 = 66,488.04/x
  3. Step 3: Cross multiply
    117,480.37x = 162,084.31 × 66,488.04
  4. Step 4: Simplify right side
    117,480.37x = 10,776,666,943.79
  5. Step 5: Solve for x
    x = 10,776,666,943.79/117,480.37
  6. Step 6: Final answer
    x = 91,731.64

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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.