Home / 89,485.64-123,487.56-49,199.48

Finding the Fourth Proportional to 89,485.64, 123,487.56 and 49,199.48

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Solution

The fourth proportional to 89,485.64, 123,487.56 and 49,199.48 is: 67,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,485.64 : 123,487.56 = 49,199.48 : x
  2. Step 2: Convert to fraction form
    89,485.64/123,487.56 = 49,199.48/x
  3. Step 3: Cross multiply
    89,485.64x = 123,487.56 × 49,199.48
  4. Step 4: Simplify right side
    89,485.64x = 6,075,523,738.47
  5. Step 5: Solve for x
    x = 6,075,523,738.47/89,485.64
  6. Step 6: Final answer
    x = 67,893.84

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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.