Home / 43,720.09-65,444.38-23,679.80

Finding the Fourth Proportional to 43,720.09, 65,444.38 and 23,679.80

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Solution

The fourth proportional to 43,720.09, 65,444.38 and 23,679.80 is: 35,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720.09 : 65,444.38 = 23,679.80 : x
  2. Step 2: Convert to fraction form
    43,720.09/65,444.38 = 23,679.80/x
  3. Step 3: Cross multiply
    43,720.09x = 65,444.38 × 23,679.80
  4. Step 4: Simplify right side
    43,720.09x = 1,549,710,056.64
  5. Step 5: Solve for x
    x = 1,549,710,056.64/43,720.09
  6. Step 6: Final answer
    x = 35,446.18

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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.