Home / 74,632.68-111,858.30-35,143.56

Finding the Fourth Proportional to 74,632.68, 111,858.30 and 35,143.56

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Solution

The fourth proportional to 74,632.68, 111,858.30 and 35,143.56 is: 52,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,632.68 : 111,858.30 = 35,143.56 : x
  2. Step 2: Convert to fraction form
    74,632.68/111,858.30 = 35,143.56/x
  3. Step 3: Cross multiply
    74,632.68x = 111,858.30 × 35,143.56
  4. Step 4: Simplify right side
    74,632.68x = 3,931,098,877.55
  5. Step 5: Solve for x
    x = 3,931,098,877.55/74,632.68
  6. Step 6: Final answer
    x = 52,672.62

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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.