Home / 71,412.08-107,127.43-26,427.31

Finding the Fourth Proportional to 71,412.08, 107,127.43 and 26,427.31

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Solution

The fourth proportional to 71,412.08, 107,127.43 and 26,427.31 is: 39,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,412.08 : 107,127.43 = 26,427.31 : x
  2. Step 2: Convert to fraction form
    71,412.08/107,127.43 = 26,427.31/x
  3. Step 3: Cross multiply
    71,412.08x = 107,127.43 × 26,427.31
  4. Step 4: Simplify right side
    71,412.08x = 2,831,089,802.11
  5. Step 5: Solve for x
    x = 2,831,089,802.11/71,412.08
  6. Step 6: Final answer
    x = 39,644.41

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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.