Home / 65,629.80-98,271.90-48,004.20

Finding the Fourth Proportional to 65,629.80, 98,271.90 and 48,004.20

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Solution

The fourth proportional to 65,629.80, 98,271.90 and 48,004.20 is: 71,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,629.80 : 98,271.90 = 48,004.20 : x
  2. Step 2: Convert to fraction form
    65,629.80/98,271.90 = 48,004.20/x
  3. Step 3: Cross multiply
    65,629.80x = 98,271.90 × 48,004.20
  4. Step 4: Simplify right side
    65,629.80x = 4,717,463,941.98
  5. Step 5: Solve for x
    x = 4,717,463,941.98/65,629.80
  6. Step 6: Final answer
    x = 71,879.91

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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.