Home / 91,745.74-137,585.58-31,757.91

Finding the Fourth Proportional to 91,745.74, 137,585.58 and 31,757.91

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Solution

The fourth proportional to 91,745.74, 137,585.58 and 31,757.91 is: 47,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,745.74 : 137,585.58 = 31,757.91 : x
  2. Step 2: Convert to fraction form
    91,745.74/137,585.58 = 31,757.91/x
  3. Step 3: Cross multiply
    91,745.74x = 137,585.58 × 31,757.91
  4. Step 4: Simplify right side
    91,745.74x = 4,369,430,903.49
  5. Step 5: Solve for x
    x = 4,369,430,903.49/91,745.74
  6. Step 6: Final answer
    x = 47,625.44

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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.