Home / 61,829.16-85,260-52,906.20

Finding the Fourth Proportional to 61,829.16, 85,260 and 52,906.20

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Solution

The fourth proportional to 61,829.16, 85,260 and 52,906.20 is: 72,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,829.16 : 85,260 = 52,906.20 : x
  2. Step 2: Convert to fraction form
    61,829.16/85,260 = 52,906.20/x
  3. Step 3: Cross multiply
    61,829.16x = 85,260 × 52,906.20
  4. Step 4: Simplify right side
    61,829.16x = 4,510,782,612
  5. Step 5: Solve for x
    x = 4,510,782,612/61,829.16
  6. Step 6: Final answer
    x = 72,955.59

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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.