Home / 91,853.06-137,779.60-29,528.42

Finding the Fourth Proportional to 91,853.06, 137,779.60 and 29,528.42

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Solution

The fourth proportional to 91,853.06, 137,779.60 and 29,528.42 is: 44,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.06 : 137,779.60 = 29,528.42 : x
  2. Step 2: Convert to fraction form
    91,853.06/137,779.60 = 29,528.42/x
  3. Step 3: Cross multiply
    91,853.06x = 137,779.60 × 29,528.42
  4. Step 4: Simplify right side
    91,853.06x = 4,068,413,896.23
  5. Step 5: Solve for x
    x = 4,068,413,896.23/91,853.06
  6. Step 6: Final answer
    x = 44,292.63

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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.