Home / 91,746.76-137,619.42-25,186.64

Finding the Fourth Proportional to 91,746.76, 137,619.42 and 25,186.64

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Solution

The fourth proportional to 91,746.76, 137,619.42 and 25,186.64 is: 37,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,746.76 : 137,619.42 = 25,186.64 : x
  2. Step 2: Convert to fraction form
    91,746.76/137,619.42 = 25,186.64/x
  3. Step 3: Cross multiply
    91,746.76x = 137,619.42 × 25,186.64
  4. Step 4: Simplify right side
    91,746.76x = 3,466,170,788.55
  5. Step 5: Solve for x
    x = 3,466,170,788.55/91,746.76
  6. Step 6: Final answer
    x = 37,779.76

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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.