Home / 91,193.22-136,804.50-38,603.16

Finding the Fourth Proportional to 91,193.22, 136,804.50 and 38,603.16

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Solution

The fourth proportional to 91,193.22, 136,804.50 and 38,603.16 is: 57,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,193.22 : 136,804.50 = 38,603.16 : x
  2. Step 2: Convert to fraction form
    91,193.22/136,804.50 = 38,603.16/x
  3. Step 3: Cross multiply
    91,193.22x = 136,804.50 × 38,603.16
  4. Step 4: Simplify right side
    91,193.22x = 5,281,086,002.22
  5. Step 5: Solve for x
    x = 5,281,086,002.22/91,193.22
  6. Step 6: Final answer
    x = 57,910.95

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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.