Home / 113,639.81-170,460.57-50,442.95

Finding the Fourth Proportional to 113,639.81, 170,460.57 and 50,442.95

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Solution

The fourth proportional to 113,639.81, 170,460.57 and 50,442.95 is: 75,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.81 : 170,460.57 = 50,442.95 : x
  2. Step 2: Convert to fraction form
    113,639.81/170,460.57 = 50,442.95/x
  3. Step 3: Cross multiply
    113,639.81x = 170,460.57 × 50,442.95
  4. Step 4: Simplify right side
    113,639.81x = 8,598,533,665.95
  5. Step 5: Solve for x
    x = 8,598,533,665.95/113,639.81
  6. Step 6: Final answer
    x = 75,664.80

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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.