Home / 86,899.06-119,923.23-49,172.50

Finding the Fourth Proportional to 86,899.06, 119,923.23 and 49,172.50

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Solution

The fourth proportional to 86,899.06, 119,923.23 and 49,172.50 is: 67,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,899.06 : 119,923.23 = 49,172.50 : x
  2. Step 2: Convert to fraction form
    86,899.06/119,923.23 = 49,172.50/x
  3. Step 3: Cross multiply
    86,899.06x = 119,923.23 × 49,172.50
  4. Step 4: Simplify right side
    86,899.06x = 5,896,925,027.18
  5. Step 5: Solve for x
    x = 5,896,925,027.18/86,899.06
  6. Step 6: Final answer
    x = 67,859.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.