Home / 65,891.74-98,837.28-15,971.84

Finding the Fourth Proportional to 65,891.74, 98,837.28 and 15,971.84

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Solution

The fourth proportional to 65,891.74, 98,837.28 and 15,971.84 is: 23,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891.74 : 98,837.28 = 15,971.84 : x
  2. Step 2: Convert to fraction form
    65,891.74/98,837.28 = 15,971.84/x
  3. Step 3: Cross multiply
    65,891.74x = 98,837.28 × 15,971.84
  4. Step 4: Simplify right side
    65,891.74x = 1,578,612,728.01
  5. Step 5: Solve for x
    x = 1,578,612,728.01/65,891.74
  6. Step 6: Final answer
    x = 23,957.67

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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.