Home / 85,452.36-128,188.77-35,566.17

Finding the Fourth Proportional to 85,452.36, 128,188.77 and 35,566.17

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Solution

The fourth proportional to 85,452.36, 128,188.77 and 35,566.17 is: 53,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,452.36 : 128,188.77 = 35,566.17 : x
  2. Step 2: Convert to fraction form
    85,452.36/128,188.77 = 35,566.17/x
  3. Step 3: Cross multiply
    85,452.36x = 128,188.77 × 35,566.17
  4. Step 4: Simplify right side
    85,452.36x = 4,559,183,585.91
  5. Step 5: Solve for x
    x = 4,559,183,585.91/85,452.36
  6. Step 6: Final answer
    x = 53,353.51

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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.