Home / 43,468.56-65,208.30-12,303.80

Finding the Fourth Proportional to 43,468.56, 65,208.30 and 12,303.80

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Solution

The fourth proportional to 43,468.56, 65,208.30 and 12,303.80 is: 18,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,468.56 : 65,208.30 = 12,303.80 : x
  2. Step 2: Convert to fraction form
    43,468.56/65,208.30 = 12,303.80/x
  3. Step 3: Cross multiply
    43,468.56x = 65,208.30 × 12,303.80
  4. Step 4: Simplify right side
    43,468.56x = 802,309,881.54
  5. Step 5: Solve for x
    x = 802,309,881.54/43,468.56
  6. Step 6: Final answer
    x = 18,457.25

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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.