Home / 43,171.78-64,752.99-11,585.02

Finding the Fourth Proportional to 43,171.78, 64,752.99 and 11,585.02

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Solution

The fourth proportional to 43,171.78, 64,752.99 and 11,585.02 is: 17,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,171.78 : 64,752.99 = 11,585.02 : x
  2. Step 2: Convert to fraction form
    43,171.78/64,752.99 = 11,585.02/x
  3. Step 3: Cross multiply
    43,171.78x = 64,752.99 × 11,585.02
  4. Step 4: Simplify right side
    43,171.78x = 750,164,684.21
  5. Step 5: Solve for x
    x = 750,164,684.21/43,171.78
  6. Step 6: Final answer
    x = 17,376.27

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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.