Home / 85,532.08-128,298.28-32,966.32

Finding the Fourth Proportional to 85,532.08, 128,298.28 and 32,966.32

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Solution

The fourth proportional to 85,532.08, 128,298.28 and 32,966.32 is: 49,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,532.08 : 128,298.28 = 32,966.32 : x
  2. Step 2: Convert to fraction form
    85,532.08/128,298.28 = 32,966.32/x
  3. Step 3: Cross multiply
    85,532.08x = 128,298.28 × 32,966.32
  4. Step 4: Simplify right side
    85,532.08x = 4,229,522,153.93
  5. Step 5: Solve for x
    x = 4,229,522,153.93/85,532.08
  6. Step 6: Final answer
    x = 49,449.54

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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.