Home / 91,110.72-136,705.54-48,941.58

Finding the Fourth Proportional to 91,110.72, 136,705.54 and 48,941.58

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Solution

The fourth proportional to 91,110.72, 136,705.54 and 48,941.58 is: 73,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,110.72 : 136,705.54 = 48,941.58 : x
  2. Step 2: Convert to fraction form
    91,110.72/136,705.54 = 48,941.58/x
  3. Step 3: Cross multiply
    91,110.72x = 136,705.54 × 48,941.58
  4. Step 4: Simplify right side
    91,110.72x = 6,690,585,122.35
  5. Step 5: Solve for x
    x = 6,690,585,122.35/91,110.72
  6. Step 6: Final answer
    x = 73,433.57

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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.