Home / 74,263.04-102,520.32-48,433.28

Finding the Fourth Proportional to 74,263.04, 102,520.32 and 48,433.28

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Solution

The fourth proportional to 74,263.04, 102,520.32 and 48,433.28 is: 66,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263.04 : 102,520.32 = 48,433.28 : x
  2. Step 2: Convert to fraction form
    74,263.04/102,520.32 = 48,433.28/x
  3. Step 3: Cross multiply
    74,263.04x = 102,520.32 × 48,433.28
  4. Step 4: Simplify right side
    74,263.04x = 4,965,395,364.25
  5. Step 5: Solve for x
    x = 4,965,395,364.25/74,263.04
  6. Step 6: Final answer
    x = 66,862.27

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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.