Home / 66,906.51-92,322.48-38,228.03

Finding the Fourth Proportional to 66,906.51, 92,322.48 and 38,228.03

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Solution

The fourth proportional to 66,906.51, 92,322.48 and 38,228.03 is: 52,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.51 : 92,322.48 = 38,228.03 : x
  2. Step 2: Convert to fraction form
    66,906.51/92,322.48 = 38,228.03/x
  3. Step 3: Cross multiply
    66,906.51x = 92,322.48 × 38,228.03
  4. Step 4: Simplify right side
    66,906.51x = 3,529,306,535.11
  5. Step 5: Solve for x
    x = 3,529,306,535.11/66,906.51
  6. Step 6: Final answer
    x = 52,749.82

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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.