Home / 74,282.44-102,516.77-42,445.16

Finding the Fourth Proportional to 74,282.44, 102,516.77 and 42,445.16

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Solution

The fourth proportional to 74,282.44, 102,516.77 and 42,445.16 is: 58,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,282.44 : 102,516.77 = 42,445.16 : x
  2. Step 2: Convert to fraction form
    74,282.44/102,516.77 = 42,445.16/x
  3. Step 3: Cross multiply
    74,282.44x = 102,516.77 × 42,445.16
  4. Step 4: Simplify right side
    74,282.44x = 4,351,340,705.33
  5. Step 5: Solve for x
    x = 4,351,340,705.33/74,282.44
  6. Step 6: Final answer
    x = 58,578.32

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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.