Home / 74,185.34-102,380.22-45,508.23

Finding the Fourth Proportional to 74,185.34, 102,380.22 and 45,508.23

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Solution

The fourth proportional to 74,185.34, 102,380.22 and 45,508.23 is: 62,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,185.34 : 102,380.22 = 45,508.23 : x
  2. Step 2: Convert to fraction form
    74,185.34/102,380.22 = 45,508.23/x
  3. Step 3: Cross multiply
    74,185.34x = 102,380.22 × 45,508.23
  4. Step 4: Simplify right side
    74,185.34x = 4,659,142,599.21
  5. Step 5: Solve for x
    x = 4,659,142,599.21/74,185.34
  6. Step 6: Final answer
    x = 62,804.09

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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.