Home / 91,735.68-137,603.64-25,176.72

Finding the Fourth Proportional to 91,735.68, 137,603.64 and 25,176.72

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Solution

The fourth proportional to 91,735.68, 137,603.64 and 25,176.72 is: 37,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,735.68 : 137,603.64 = 25,176.72 : x
  2. Step 2: Convert to fraction form
    91,735.68/137,603.64 = 25,176.72/x
  3. Step 3: Cross multiply
    91,735.68x = 137,603.64 × 25,176.72
  4. Step 4: Simplify right side
    91,735.68x = 3,464,408,315.26
  5. Step 5: Solve for x
    x = 3,464,408,315.26/91,735.68
  6. Step 6: Final answer
    x = 37,765.11

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1.5x scale

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.