Home / 43,124.91-64,687.36-11,960.16

Finding the Fourth Proportional to 43,124.91, 64,687.36 and 11,960.16

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Solution

The fourth proportional to 43,124.91, 64,687.36 and 11,960.16 is: 17,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.91 : 64,687.36 = 11,960.16 : x
  2. Step 2: Convert to fraction form
    43,124.91/64,687.36 = 11,960.16/x
  3. Step 3: Cross multiply
    43,124.91x = 64,687.36 × 11,960.16
  4. Step 4: Simplify right side
    43,124.91x = 773,670,925.52
  5. Step 5: Solve for x
    x = 773,670,925.52/43,124.91
  6. Step 6: Final answer
    x = 17,940.23

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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.