Home / 105,692.08-145,851.20-57,944.38

Finding the Fourth Proportional to 105,692.08, 145,851.20 and 57,944.38

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Solution

The fourth proportional to 105,692.08, 145,851.20 and 57,944.38 is: 79,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,692.08 : 145,851.20 = 57,944.38 : x
  2. Step 2: Convert to fraction form
    105,692.08/145,851.20 = 57,944.38/x
  3. Step 3: Cross multiply
    105,692.08x = 145,851.20 × 57,944.38
  4. Step 4: Simplify right side
    105,692.08x = 8,451,257,356.26
  5. Step 5: Solve for x
    x = 8,451,257,356.26/105,692.08
  6. Step 6: Final answer
    x = 79,961.12

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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.