Home / 74,965.77-112,485.31-32,840.10

Finding the Fourth Proportional to 74,965.77, 112,485.31 and 32,840.10

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Solution

The fourth proportional to 74,965.77, 112,485.31 and 32,840.10 is: 49,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,965.77 : 112,485.31 = 32,840.10 : x
  2. Step 2: Convert to fraction form
    74,965.77/112,485.31 = 32,840.10/x
  3. Step 3: Cross multiply
    74,965.77x = 112,485.31 × 32,840.10
  4. Step 4: Simplify right side
    74,965.77x = 3,694,028,746.83
  5. Step 5: Solve for x
    x = 3,694,028,746.83/74,965.77
  6. Step 6: Final answer
    x = 49,276.21

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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.