Home / 74,102.46-102,271.05-42,277.56

Finding the Fourth Proportional to 74,102.46, 102,271.05 and 42,277.56

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Solution

The fourth proportional to 74,102.46, 102,271.05 and 42,277.56 is: 58,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.46 : 102,271.05 = 42,277.56 : x
  2. Step 2: Convert to fraction form
    74,102.46/102,271.05 = 42,277.56/x
  3. Step 3: Cross multiply
    74,102.46x = 102,271.05 × 42,277.56
  4. Step 4: Simplify right side
    74,102.46x = 4,323,770,452.64
  5. Step 5: Solve for x
    x = 4,323,770,452.64/74,102.46
  6. Step 6: Final answer
    x = 58,348.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.