Home / 117,102.12-161,601.01-63,386.97

Finding the Fourth Proportional to 117,102.12, 161,601.01 and 63,386.97

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Solution

The fourth proportional to 117,102.12, 161,601.01 and 63,386.97 is: 87,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,102.12 : 161,601.01 = 63,386.97 : x
  2. Step 2: Convert to fraction form
    117,102.12/161,601.01 = 63,386.97/x
  3. Step 3: Cross multiply
    117,102.12x = 161,601.01 × 63,386.97
  4. Step 4: Simplify right side
    117,102.12x = 10,243,398,372.84
  5. Step 5: Solve for x
    x = 10,243,398,372.84/117,102.12
  6. Step 6: Final answer
    x = 87,474.06

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1.5x scale

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.