Home / 43,398.57-65,030.87-29,303.36

Finding the Fourth Proportional to 43,398.57, 65,030.87 and 29,303.36

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Solution

The fourth proportional to 43,398.57, 65,030.87 and 29,303.36 is: 43,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,398.57 : 65,030.87 = 29,303.36 : x
  2. Step 2: Convert to fraction form
    43,398.57/65,030.87 = 29,303.36/x
  3. Step 3: Cross multiply
    43,398.57x = 65,030.87 × 29,303.36
  4. Step 4: Simplify right side
    43,398.57x = 1,905,622,523.05
  5. Step 5: Solve for x
    x = 1,905,622,523.05/43,398.57
  6. Step 6: Final answer
    x = 43,909.80

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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.