Home / 89,137.55-123,009.99-48,852.80

Finding the Fourth Proportional to 89,137.55, 123,009.99 and 48,852.80

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Solution

The fourth proportional to 89,137.55, 123,009.99 and 48,852.80 is: 67,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137.55 : 123,009.99 = 48,852.80 : x
  2. Step 2: Convert to fraction form
    89,137.55/123,009.99 = 48,852.80/x
  3. Step 3: Cross multiply
    89,137.55x = 123,009.99 × 48,852.80
  4. Step 4: Simplify right side
    89,137.55x = 6,009,382,563.80
  5. Step 5: Solve for x
    x = 6,009,382,563.80/89,137.55
  6. Step 6: Final answer
    x = 67,416.96

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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.