Home / 75,071.44-112,451.16-35,659.60

Finding the Fourth Proportional to 75,071.44, 112,451.16 and 35,659.60

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Solution

The fourth proportional to 75,071.44, 112,451.16 and 35,659.60 is: 53,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,071.44 : 112,451.16 = 35,659.60 : x
  2. Step 2: Convert to fraction form
    75,071.44/112,451.16 = 35,659.60/x
  3. Step 3: Cross multiply
    75,071.44x = 112,451.16 × 35,659.60
  4. Step 4: Simplify right side
    75,071.44x = 4,009,963,385.14
  5. Step 5: Solve for x
    x = 4,009,963,385.14/75,071.44
  6. Step 6: Final answer
    x = 53,415.30

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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.