Home / 94,078.46-141,139.22-40,779.36

Finding the Fourth Proportional to 94,078.46, 141,139.22 and 40,779.36

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Solution

The fourth proportional to 94,078.46, 141,139.22 and 40,779.36 is: 61,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,078.46 : 141,139.22 = 40,779.36 : x
  2. Step 2: Convert to fraction form
    94,078.46/141,139.22 = 40,779.36/x
  3. Step 3: Cross multiply
    94,078.46x = 141,139.22 × 40,779.36
  4. Step 4: Simplify right side
    94,078.46x = 5,755,566,858.60
  5. Step 5: Solve for x
    x = 5,755,566,858.60/94,078.46
  6. Step 6: Final answer
    x = 61,178.37

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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.