Home / 43,655.85-65,485.38-14,074.11

Finding the Fourth Proportional to 43,655.85, 65,485.38 and 14,074.11

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Solution

The fourth proportional to 43,655.85, 65,485.38 and 14,074.11 is: 21,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655.85 : 65,485.38 = 14,074.11 : x
  2. Step 2: Convert to fraction form
    43,655.85/65,485.38 = 14,074.11/x
  3. Step 3: Cross multiply
    43,655.85x = 65,485.38 × 14,074.11
  4. Step 4: Simplify right side
    43,655.85x = 921,648,441.51
  5. Step 5: Solve for x
    x = 921,648,441.51/43,655.85
  6. Step 6: Final answer
    x = 21,111.68

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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.