Home / 79,548.24-109,779.40-43,740.98

Finding the Fourth Proportional to 79,548.24, 109,779.40 and 43,740.98

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Solution

The fourth proportional to 79,548.24, 109,779.40 and 43,740.98 is: 60,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,548.24 : 109,779.40 = 43,740.98 : x
  2. Step 2: Convert to fraction form
    79,548.24/109,779.40 = 43,740.98/x
  3. Step 3: Cross multiply
    79,548.24x = 109,779.40 × 43,740.98
  4. Step 4: Simplify right side
    79,548.24x = 4,801,858,539.81
  5. Step 5: Solve for x
    x = 4,801,858,539.81/79,548.24
  6. Step 6: Final answer
    x = 60,364.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.