Home / 45,187.56-67,768.36-17,479.08

Finding the Fourth Proportional to 45,187.56, 67,768.36 and 17,479.08

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Solution

The fourth proportional to 45,187.56, 67,768.36 and 17,479.08 is: 26,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,187.56 : 67,768.36 = 17,479.08 : x
  2. Step 2: Convert to fraction form
    45,187.56/67,768.36 = 17,479.08/x
  3. Step 3: Cross multiply
    45,187.56x = 67,768.36 × 17,479.08
  4. Step 4: Simplify right side
    45,187.56x = 1,184,528,585.91
  5. Step 5: Solve for x
    x = 1,184,528,585.91/45,187.56
  6. Step 6: Final answer
    x = 26,213.60

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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.