Home / 52,707.37-79,071.65-19,427.62

Finding the Fourth Proportional to 52,707.37, 79,071.65 and 19,427.62

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Solution

The fourth proportional to 52,707.37, 79,071.65 and 19,427.62 is: 29,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,707.37 : 79,071.65 = 19,427.62 : x
  2. Step 2: Convert to fraction form
    52,707.37/79,071.65 = 19,427.62/x
  3. Step 3: Cross multiply
    52,707.37x = 79,071.65 × 19,427.62
  4. Step 4: Simplify right side
    52,707.37x = 1,536,173,968.97
  5. Step 5: Solve for x
    x = 1,536,173,968.97/52,707.37
  6. Step 6: Final answer
    x = 29,145.34

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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.