Home / 117,291.12-161,862.02-63,576.07

Finding the Fourth Proportional to 117,291.12, 161,862.02 and 63,576.07

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Solution

The fourth proportional to 117,291.12, 161,862.02 and 63,576.07 is: 87,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,291.12 : 161,862.02 = 63,576.07 : x
  2. Step 2: Convert to fraction form
    117,291.12/161,862.02 = 63,576.07/x
  3. Step 3: Cross multiply
    117,291.12x = 161,862.02 × 63,576.07
  4. Step 4: Simplify right side
    117,291.12x = 10,290,551,113.86
  5. Step 5: Solve for x
    x = 10,290,551,113.86/117,291.12
  6. Step 6: Final answer
    x = 87,735.13

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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.