Home / 64,761.11-89,363.88-47,774.57

Finding the Fourth Proportional to 64,761.11, 89,363.88 and 47,774.57

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Solution

The fourth proportional to 64,761.11, 89,363.88 and 47,774.57 is: 65,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,761.11 : 89,363.88 = 47,774.57 : x
  2. Step 2: Convert to fraction form
    64,761.11/89,363.88 = 47,774.57/x
  3. Step 3: Cross multiply
    64,761.11x = 89,363.88 × 47,774.57
  4. Step 4: Simplify right side
    64,761.11x = 4,269,320,940.53
  5. Step 5: Solve for x
    x = 4,269,320,940.53/64,761.11
  6. Step 6: Final answer
    x = 65,924.15

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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.