Home / 75,721.70-113,485.35-46,108.10

Finding the Fourth Proportional to 75,721.70, 113,485.35 and 46,108.10

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Solution

The fourth proportional to 75,721.70, 113,485.35 and 46,108.10 is: 69,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,721.70 : 113,485.35 = 46,108.10 : x
  2. Step 2: Convert to fraction form
    75,721.70/113,485.35 = 46,108.10/x
  3. Step 3: Cross multiply
    75,721.70x = 113,485.35 × 46,108.10
  4. Step 4: Simplify right side
    75,721.70x = 5,232,593,866.34
  5. Step 5: Solve for x
    x = 5,232,593,866.34/75,721.70
  6. Step 6: Final answer
    x = 69,102.96

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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.