Home / 65,968.16-99,084.59-39,366.03

Finding the Fourth Proportional to 65,968.16, 99,084.59 and 39,366.03

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Solution

The fourth proportional to 65,968.16, 99,084.59 and 39,366.03 is: 59,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,968.16 : 99,084.59 = 39,366.03 : x
  2. Step 2: Convert to fraction form
    65,968.16/99,084.59 = 39,366.03/x
  3. Step 3: Cross multiply
    65,968.16x = 99,084.59 × 39,366.03
  4. Step 4: Simplify right side
    65,968.16x = 3,900,566,745.65
  5. Step 5: Solve for x
    x = 3,900,566,745.65/65,968.16
  6. Step 6: Final answer
    x = 59,128.03

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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.