Home / 43,276.36-64,908.04-13,690.35

Finding the Fourth Proportional to 43,276.36, 64,908.04 and 13,690.35

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Solution

The fourth proportional to 43,276.36, 64,908.04 and 13,690.35 is: 20,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,276.36 : 64,908.04 = 13,690.35 : x
  2. Step 2: Convert to fraction form
    43,276.36/64,908.04 = 13,690.35/x
  3. Step 3: Cross multiply
    43,276.36x = 64,908.04 × 13,690.35
  4. Step 4: Simplify right side
    43,276.36x = 888,613,392.42
  5. Step 5: Solve for x
    x = 888,613,392.42/43,276.36
  6. Step 6: Final answer
    x = 20,533.46

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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.