Home / 61,825.22-85,324.46-38,858.76

Finding the Fourth Proportional to 61,825.22, 85,324.46 and 38,858.76

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Solution

The fourth proportional to 61,825.22, 85,324.46 and 38,858.76 is: 53,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,825.22 : 85,324.46 = 38,858.76 : x
  2. Step 2: Convert to fraction form
    61,825.22/85,324.46 = 38,858.76/x
  3. Step 3: Cross multiply
    61,825.22x = 85,324.46 × 38,858.76
  4. Step 4: Simplify right side
    61,825.22x = 3,315,602,518.98
  5. Step 5: Solve for x
    x = 3,315,602,518.98/61,825.22
  6. Step 6: Final answer
    x = 53,628.65

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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.