Home / 57,156.95-85,577.00-43,074.33

Finding the Fourth Proportional to 57,156.95, 85,577.00 and 43,074.33

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Solution

The fourth proportional to 57,156.95, 85,577.00 and 43,074.33 is: 64,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156.95 : 85,577.00 = 43,074.33 : x
  2. Step 2: Convert to fraction form
    57,156.95/85,577.00 = 43,074.33/x
  3. Step 3: Cross multiply
    57,156.95x = 85,577.00 × 43,074.33
  4. Step 4: Simplify right side
    57,156.95x = 3,686,171,723.04
  5. Step 5: Solve for x
    x = 3,686,171,723.04/57,156.95
  6. Step 6: Final answer
    x = 64,492.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.