Home / 74,314.53-102,639.23-48,934.35

Finding the Fourth Proportional to 74,314.53, 102,639.23 and 48,934.35

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Solution

The fourth proportional to 74,314.53, 102,639.23 and 48,934.35 is: 67,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314.53 : 102,639.23 = 48,934.35 : x
  2. Step 2: Convert to fraction form
    74,314.53/102,639.23 = 48,934.35/x
  3. Step 3: Cross multiply
    74,314.53x = 102,639.23 × 48,934.35
  4. Step 4: Simplify right side
    74,314.53x = 5,022,584,004.55
  5. Step 5: Solve for x
    x = 5,022,584,004.55/74,314.53
  6. Step 6: Final answer
    x = 67,585.49

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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.