Home / 43,099.25-64,648.88-11,934.50

Finding the Fourth Proportional to 43,099.25, 64,648.88 and 11,934.50

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Solution

The fourth proportional to 43,099.25, 64,648.88 and 11,934.50 is: 17,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,099.25 : 64,648.88 = 11,934.50 : x
  2. Step 2: Convert to fraction form
    43,099.25/64,648.88 = 11,934.50/x
  3. Step 3: Cross multiply
    43,099.25x = 64,648.88 × 11,934.50
  4. Step 4: Simplify right side
    43,099.25x = 771,552,058.36
  5. Step 5: Solve for x
    x = 771,552,058.36/43,099.25
  6. Step 6: Final answer
    x = 17,901.75

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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.