Home / 91,018.32-136,469.16-44,245.68

Finding the Fourth Proportional to 91,018.32, 136,469.16 and 44,245.68

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Solution

The fourth proportional to 91,018.32, 136,469.16 and 44,245.68 is: 66,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,018.32 : 136,469.16 = 44,245.68 : x
  2. Step 2: Convert to fraction form
    91,018.32/136,469.16 = 44,245.68/x
  3. Step 3: Cross multiply
    91,018.32x = 136,469.16 × 44,245.68
  4. Step 4: Simplify right side
    91,018.32x = 6,038,170,783.23
  5. Step 5: Solve for x
    x = 6,038,170,783.23/91,018.32
  6. Step 6: Final answer
    x = 66,340.17

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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.