Home / 75,766.77-104,602.94-67,360

Finding the Fourth Proportional to 75,766.77, 104,602.94 and 67,360

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Solution

The fourth proportional to 75,766.77, 104,602.94 and 67,360 is: 92,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,766.77 : 104,602.94 = 67,360 : x
  2. Step 2: Convert to fraction form
    75,766.77/104,602.94 = 67,360/x
  3. Step 3: Cross multiply
    75,766.77x = 104,602.94 × 67,360
  4. Step 4: Simplify right side
    75,766.77x = 7,046,054,038.40
  5. Step 5: Solve for x
    x = 7,046,054,038.40/75,766.77
  6. Step 6: Final answer
    x = 92,996.63

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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.