Home / 57,629.18-86,442.91-35,146.46

Finding the Fourth Proportional to 57,629.18, 86,442.91 and 35,146.46

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Solution

The fourth proportional to 57,629.18, 86,442.91 and 35,146.46 is: 52,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,629.18 : 86,442.91 = 35,146.46 : x
  2. Step 2: Convert to fraction form
    57,629.18/86,442.91 = 35,146.46/x
  3. Step 3: Cross multiply
    57,629.18x = 86,442.91 × 35,146.46
  4. Step 4: Simplify right side
    57,629.18x = 3,038,162,278.60
  5. Step 5: Solve for x
    x = 3,038,162,278.60/57,629.18
  6. Step 6: Final answer
    x = 52,719.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.