Home / 85,534.08-128,301.28-32,968.32

Finding the Fourth Proportional to 85,534.08, 128,301.28 and 32,968.32

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Solution

The fourth proportional to 85,534.08, 128,301.28 and 32,968.32 is: 49,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.08 : 128,301.28 = 32,968.32 : x
  2. Step 2: Convert to fraction form
    85,534.08/128,301.28 = 32,968.32/x
  3. Step 3: Cross multiply
    85,534.08x = 128,301.28 × 32,968.32
  4. Step 4: Simplify right side
    85,534.08x = 4,229,877,655.45
  5. Step 5: Solve for x
    x = 4,229,877,655.45/85,534.08
  6. Step 6: Final answer
    x = 49,452.54

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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.