Home / 43,395.08-65,007.16-28,559.00

Finding the Fourth Proportional to 43,395.08, 65,007.16 and 28,559.00

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Solution

The fourth proportional to 43,395.08, 65,007.16 and 28,559.00 is: 42,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,395.08 : 65,007.16 = 28,559.00 : x
  2. Step 2: Convert to fraction form
    43,395.08/65,007.16 = 28,559.00/x
  3. Step 3: Cross multiply
    43,395.08x = 65,007.16 × 28,559.00
  4. Step 4: Simplify right side
    43,395.08x = 1,856,539,573.56
  5. Step 5: Solve for x
    x = 1,856,539,573.56/43,395.08
  6. Step 6: Final answer
    x = 42,782.26

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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.