Home / 91,105.32-136,657.99-48,927.38

Finding the Fourth Proportional to 91,105.32, 136,657.99 and 48,927.38

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Solution

The fourth proportional to 91,105.32, 136,657.99 and 48,927.38 is: 73,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,105.32 : 136,657.99 = 48,927.38 : x
  2. Step 2: Convert to fraction form
    91,105.32/136,657.99 = 48,927.38/x
  3. Step 3: Cross multiply
    91,105.32x = 136,657.99 × 48,927.38
  4. Step 4: Simplify right side
    91,105.32x = 6,686,317,406.77
  5. Step 5: Solve for x
    x = 6,686,317,406.77/91,105.32
  6. Step 6: Final answer
    x = 73,391.08

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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.