Home / 85,546.56-128,283.16-29,392.32

Finding the Fourth Proportional to 85,546.56, 128,283.16 and 29,392.32

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Solution

The fourth proportional to 85,546.56, 128,283.16 and 29,392.32 is: 44,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,546.56 : 128,283.16 = 29,392.32 : x
  2. Step 2: Convert to fraction form
    85,546.56/128,283.16 = 29,392.32/x
  3. Step 3: Cross multiply
    85,546.56x = 128,283.16 × 29,392.32
  4. Step 4: Simplify right side
    85,546.56x = 3,770,539,689.33
  5. Step 5: Solve for x
    x = 3,770,539,689.33/85,546.56
  6. Step 6: Final answer
    x = 44,075.88

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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.