Home / 117,062.12-161,546.16-63,347.13

Finding the Fourth Proportional to 117,062.12, 161,546.16 and 63,347.13

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Solution

The fourth proportional to 117,062.12, 161,546.16 and 63,347.13 is: 87,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,062.12 : 161,546.16 = 63,347.13 : x
  2. Step 2: Convert to fraction form
    117,062.12/161,546.16 = 63,347.13/x
  3. Step 3: Cross multiply
    117,062.12x = 161,546.16 × 63,347.13
  4. Step 4: Simplify right side
    117,062.12x = 10,233,485,281.79
  5. Step 5: Solve for x
    x = 10,233,485,281.79/117,062.12
  6. Step 6: Final answer
    x = 87,419.27

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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.