Home / 71,704.98-98,941.23-39,873.06

Finding the Fourth Proportional to 71,704.98, 98,941.23 and 39,873.06

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Solution

The fourth proportional to 71,704.98, 98,941.23 and 39,873.06 is: 55,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,704.98 : 98,941.23 = 39,873.06 : x
  2. Step 2: Convert to fraction form
    71,704.98/98,941.23 = 39,873.06/x
  3. Step 3: Cross multiply
    71,704.98x = 98,941.23 × 39,873.06
  4. Step 4: Simplify right side
    71,704.98x = 3,945,089,600.26
  5. Step 5: Solve for x
    x = 3,945,089,600.26/71,704.98
  6. Step 6: Final answer
    x = 55,018.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.