Home / 89,352.17-123,175.75-63,813.49

Finding the Fourth Proportional to 89,352.17, 123,175.75 and 63,813.49

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Solution

The fourth proportional to 89,352.17, 123,175.75 and 63,813.49 is: 87,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,352.17 : 123,175.75 = 63,813.49 : x
  2. Step 2: Convert to fraction form
    89,352.17/123,175.75 = 63,813.49/x
  3. Step 3: Cross multiply
    89,352.17x = 123,175.75 × 63,813.49
  4. Step 4: Simplify right side
    89,352.17x = 7,860,274,490.87
  5. Step 5: Solve for x
    x = 7,860,274,490.87/89,352.17
  6. Step 6: Final answer
    x = 87,969.60

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1.5x scale

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.