Home / 71,906.08-99,256.44-43,611.16

Finding the Fourth Proportional to 71,906.08, 99,256.44 and 43,611.16

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Solution

The fourth proportional to 71,906.08, 99,256.44 and 43,611.16 is: 60,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,906.08 : 99,256.44 = 43,611.16 : x
  2. Step 2: Convert to fraction form
    71,906.08/99,256.44 = 43,611.16/x
  3. Step 3: Cross multiply
    71,906.08x = 99,256.44 × 43,611.16
  4. Step 4: Simplify right side
    71,906.08x = 4,328,688,485.87
  5. Step 5: Solve for x
    x = 4,328,688,485.87/71,906.08
  6. Step 6: Final answer
    x = 60,199.20

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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.