Home / 43,534.68-65,302.02-12,365.88

Finding the Fourth Proportional to 43,534.68, 65,302.02 and 12,365.88

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Solution

The fourth proportional to 43,534.68, 65,302.02 and 12,365.88 is: 18,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,534.68 : 65,302.02 = 12,365.88 : x
  2. Step 2: Convert to fraction form
    43,534.68/65,302.02 = 12,365.88/x
  3. Step 3: Cross multiply
    43,534.68x = 65,302.02 × 12,365.88
  4. Step 4: Simplify right side
    43,534.68x = 807,516,943.08
  5. Step 5: Solve for x
    x = 807,516,943.08/43,534.68
  6. Step 6: Final answer
    x = 18,548.82

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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.