Home / 89,458.02-123,455.34-49,173.08

Finding the Fourth Proportional to 89,458.02, 123,455.34 and 49,173.08

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Solution

The fourth proportional to 89,458.02, 123,455.34 and 49,173.08 is: 67,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,458.02 : 123,455.34 = 49,173.08 : x
  2. Step 2: Convert to fraction form
    89,458.02/123,455.34 = 49,173.08/x
  3. Step 3: Cross multiply
    89,458.02x = 123,455.34 × 49,173.08
  4. Step 4: Simplify right side
    89,458.02x = 6,070,678,692.97
  5. Step 5: Solve for x
    x = 6,070,678,692.97/89,458.02
  6. Step 6: Final answer
    x = 67,860.64

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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.