Home / 91,047.51-136,576.98-27,869.67

Finding the Fourth Proportional to 91,047.51, 136,576.98 and 27,869.67

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Solution

The fourth proportional to 91,047.51, 136,576.98 and 27,869.67 is: 41,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047.51 : 136,576.98 = 27,869.67 : x
  2. Step 2: Convert to fraction form
    91,047.51/136,576.98 = 27,869.67/x
  3. Step 3: Cross multiply
    91,047.51x = 136,576.98 × 27,869.67
  4. Step 4: Simplify right side
    91,047.51x = 3,806,355,362.20
  5. Step 5: Solve for x
    x = 3,806,355,362.20/91,047.51
  6. Step 6: Final answer
    x = 41,806.25

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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.