Home / 74,485.53-111,731.70-24,570

Finding the Fourth Proportional to 74,485.53, 111,731.70 and 24,570

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Solution

The fourth proportional to 74,485.53, 111,731.70 and 24,570 is: 36,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,485.53 : 111,731.70 = 24,570 : x
  2. Step 2: Convert to fraction form
    74,485.53/111,731.70 = 24,570/x
  3. Step 3: Cross multiply
    74,485.53x = 111,731.70 × 24,570
  4. Step 4: Simplify right side
    74,485.53x = 2,745,247,869
  5. Step 5: Solve for x
    x = 2,745,247,869/74,485.53
  6. Step 6: Final answer
    x = 36,856.12

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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.