Home / 57,123.47-85,837.26-53,532.23

Finding the Fourth Proportional to 57,123.47, 85,837.26 and 53,532.23

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Solution

The fourth proportional to 57,123.47, 85,837.26 and 53,532.23 is: 80,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,123.47 : 85,837.26 = 53,532.23 : x
  2. Step 2: Convert to fraction form
    57,123.47/85,837.26 = 53,532.23/x
  3. Step 3: Cross multiply
    57,123.47x = 85,837.26 × 53,532.23
  4. Step 4: Simplify right side
    57,123.47x = 4,595,059,515.70
  5. Step 5: Solve for x
    x = 4,595,059,515.70/57,123.47
  6. Step 6: Final answer
    x = 80,440.84

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1.5x scale

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.