Home / 61,672.09-92,540.55-43,775.81

Finding the Fourth Proportional to 61,672.09, 92,540.55 and 43,775.81

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Solution

The fourth proportional to 61,672.09, 92,540.55 and 43,775.81 is: 65,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,672.09 : 92,540.55 = 43,775.81 : x
  2. Step 2: Convert to fraction form
    61,672.09/92,540.55 = 43,775.81/x
  3. Step 3: Cross multiply
    61,672.09x = 92,540.55 × 43,775.81
  4. Step 4: Simplify right side
    61,672.09x = 4,051,037,412.18
  5. Step 5: Solve for x
    x = 4,051,037,412.18/61,672.09
  6. Step 6: Final answer
    x = 65,686.72

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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.