Home / 65,822.40-98,748.96-19,076.16

Finding the Fourth Proportional to 65,822.40, 98,748.96 and 19,076.16

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Solution

The fourth proportional to 65,822.40, 98,748.96 and 19,076.16 is: 28,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.40 : 98,748.96 = 19,076.16 : x
  2. Step 2: Convert to fraction form
    65,822.40/98,748.96 = 19,076.16/x
  3. Step 3: Cross multiply
    65,822.40x = 98,748.96 × 19,076.16
  4. Step 4: Simplify right side
    65,822.40x = 1,883,750,960.79
  5. Step 5: Solve for x
    x = 1,883,750,960.79/65,822.40
  6. Step 6: Final answer
    x = 28,618.69

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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.