Home / 47,749.98-71,656.07-18,168.06

Finding the Fourth Proportional to 47,749.98, 71,656.07 and 18,168.06

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Solution

The fourth proportional to 47,749.98, 71,656.07 and 18,168.06 is: 27,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,749.98 : 71,656.07 = 18,168.06 : x
  2. Step 2: Convert to fraction form
    47,749.98/71,656.07 = 18,168.06/x
  3. Step 3: Cross multiply
    47,749.98x = 71,656.07 × 18,168.06
  4. Step 4: Simplify right side
    47,749.98x = 1,301,851,688.28
  5. Step 5: Solve for x
    x = 1,301,851,688.28/47,749.98
  6. Step 6: Final answer
    x = 27,263.92

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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.