Home / 57,065.02-85,597.29-15,511.90

Finding the Fourth Proportional to 57,065.02, 85,597.29 and 15,511.90

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Solution

The fourth proportional to 57,065.02, 85,597.29 and 15,511.90 is: 23,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,065.02 : 85,597.29 = 15,511.90 : x
  2. Step 2: Convert to fraction form
    57,065.02/85,597.29 = 15,511.90/x
  3. Step 3: Cross multiply
    57,065.02x = 85,597.29 × 15,511.90
  4. Step 4: Simplify right side
    57,065.02x = 1,327,776,602.75
  5. Step 5: Solve for x
    x = 1,327,776,602.75/57,065.02
  6. Step 6: Final answer
    x = 23,267.78

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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.