Home / 65,710.35-98,554.74-18,328.67

Finding the Fourth Proportional to 65,710.35, 98,554.74 and 18,328.67

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Solution

The fourth proportional to 65,710.35, 98,554.74 and 18,328.67 is: 27,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,710.35 : 98,554.74 = 18,328.67 : x
  2. Step 2: Convert to fraction form
    65,710.35/98,554.74 = 18,328.67/x
  3. Step 3: Cross multiply
    65,710.35x = 98,554.74 × 18,328.67
  4. Step 4: Simplify right side
    65,710.35x = 1,806,376,813.62
  5. Step 5: Solve for x
    x = 1,806,376,813.62/65,710.35
  6. Step 6: Final answer
    x = 27,489.99

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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.