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Finding the Fourth Proportional to 85,534.58, 128,302.03 and 32,968.82

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Solution

The fourth proportional to 85,534.58, 128,302.03 and 32,968.82 is: 49,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.58 : 128,302.03 = 32,968.82 : x
  2. Step 2: Convert to fraction form
    85,534.58/128,302.03 = 32,968.82/x
  3. Step 3: Cross multiply
    85,534.58x = 128,302.03 × 32,968.82
  4. Step 4: Simplify right side
    85,534.58x = 4,229,966,532.70
  5. Step 5: Solve for x
    x = 4,229,966,532.70/85,534.58
  6. Step 6: Final answer
    x = 49,453.29

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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.