Home / 61,708.12-85,157.24-34,856.36

Finding the Fourth Proportional to 61,708.12, 85,157.24 and 34,856.36

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Solution

The fourth proportional to 61,708.12, 85,157.24 and 34,856.36 is: 48,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,708.12 : 85,157.24 = 34,856.36 : x
  2. Step 2: Convert to fraction form
    61,708.12/85,157.24 = 34,856.36/x
  3. Step 3: Cross multiply
    61,708.12x = 85,157.24 × 34,856.36
  4. Step 4: Simplify right side
    61,708.12x = 2,968,271,414.05
  5. Step 5: Solve for x
    x = 2,968,271,414.05/61,708.12
  6. Step 6: Final answer
    x = 48,101.80

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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.