Home / 65,631.16-98,484.96-27,678.10

Finding the Fourth Proportional to 65,631.16, 98,484.96 and 27,678.10

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Solution

The fourth proportional to 65,631.16, 98,484.96 and 27,678.10 is: 41,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,631.16 : 98,484.96 = 27,678.10 : x
  2. Step 2: Convert to fraction form
    65,631.16/98,484.96 = 27,678.10/x
  3. Step 3: Cross multiply
    65,631.16x = 98,484.96 × 27,678.10
  4. Step 4: Simplify right side
    65,631.16x = 2,725,876,571.38
  5. Step 5: Solve for x
    x = 2,725,876,571.38/65,631.16
  6. Step 6: Final answer
    x = 41,533.27

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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.