Home / 91,110.15-136,704.69-48,941.03

Finding the Fourth Proportional to 91,110.15, 136,704.69 and 48,941.03

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Solution

The fourth proportional to 91,110.15, 136,704.69 and 48,941.03 is: 73,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,110.15 : 136,704.69 = 48,941.03 : x
  2. Step 2: Convert to fraction form
    91,110.15/136,704.69 = 48,941.03/x
  3. Step 3: Cross multiply
    91,110.15x = 136,704.69 × 48,941.03
  4. Step 4: Simplify right side
    91,110.15x = 6,690,467,650.91
  5. Step 5: Solve for x
    x = 6,690,467,650.91/91,110.15
  6. Step 6: Final answer
    x = 73,432.74

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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.