Home / 90,894.74-136,085.79-48,103.24

Finding the Fourth Proportional to 90,894.74, 136,085.79 and 48,103.24

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Solution

The fourth proportional to 90,894.74, 136,085.79 and 48,103.24 is: 72,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,894.74 : 136,085.79 = 48,103.24 : x
  2. Step 2: Convert to fraction form
    90,894.74/136,085.79 = 48,103.24/x
  3. Step 3: Cross multiply
    90,894.74x = 136,085.79 × 48,103.24
  4. Step 4: Simplify right side
    90,894.74x = 6,546,166,864.75
  5. Step 5: Solve for x
    x = 6,546,166,864.75/90,894.74
  6. Step 6: Final answer
    x = 72,019.21

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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.