Home / 57,140.42-85,733.18-17,700.60

Finding the Fourth Proportional to 57,140.42, 85,733.18 and 17,700.60

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Solution

The fourth proportional to 57,140.42, 85,733.18 and 17,700.60 is: 26,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,140.42 : 85,733.18 = 17,700.60 : x
  2. Step 2: Convert to fraction form
    57,140.42/85,733.18 = 17,700.60/x
  3. Step 3: Cross multiply
    57,140.42x = 85,733.18 × 17,700.60
  4. Step 4: Simplify right side
    57,140.42x = 1,517,528,770.16
  5. Step 5: Solve for x
    x = 1,517,528,770.16/57,140.42
  6. Step 6: Final answer
    x = 26,557.89

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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.