Home / 75,910.42-104,734.38-49,068.64

Finding the Fourth Proportional to 75,910.42, 104,734.38 and 49,068.64

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Solution

The fourth proportional to 75,910.42, 104,734.38 and 49,068.64 is: 67,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,910.42 : 104,734.38 = 49,068.64 : x
  2. Step 2: Convert to fraction form
    75,910.42/104,734.38 = 49,068.64/x
  3. Step 3: Cross multiply
    75,910.42x = 104,734.38 × 49,068.64
  4. Step 4: Simplify right side
    75,910.42x = 5,139,173,587.84
  5. Step 5: Solve for x
    x = 5,139,173,587.84/75,910.42
  6. Step 6: Final answer
    x = 67,700.50

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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.