Home / 75,838.60-113,822.70-33,783.40

Finding the Fourth Proportional to 75,838.60, 113,822.70 and 33,783.40

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Solution

The fourth proportional to 75,838.60, 113,822.70 and 33,783.40 is: 50,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,838.60 : 113,822.70 = 33,783.40 : x
  2. Step 2: Convert to fraction form
    75,838.60/113,822.70 = 33,783.40/x
  3. Step 3: Cross multiply
    75,838.60x = 113,822.70 × 33,783.40
  4. Step 4: Simplify right side
    75,838.60x = 3,845,317,803.18
  5. Step 5: Solve for x
    x = 3,845,317,803.18/75,838.60
  6. Step 6: Final answer
    x = 50,703.97

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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.