Home / 85,199.16-127,837.62-43,675.32

Finding the Fourth Proportional to 85,199.16, 127,837.62 and 43,675.32

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Solution

The fourth proportional to 85,199.16, 127,837.62 and 43,675.32 is: 65,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,199.16 : 127,837.62 = 43,675.32 : x
  2. Step 2: Convert to fraction form
    85,199.16/127,837.62 = 43,675.32/x
  3. Step 3: Cross multiply
    85,199.16x = 127,837.62 × 43,675.32
  4. Step 4: Simplify right side
    85,199.16x = 5,583,348,961.54
  5. Step 5: Solve for x
    x = 5,583,348,961.54/85,199.16
  6. Step 6: Final answer
    x = 65,532.91

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1.5x scale

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.