Home / 64,698.32-97,015.08-20,324.50

Finding the Fourth Proportional to 64,698.32, 97,015.08 and 20,324.50

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Solution

The fourth proportional to 64,698.32, 97,015.08 and 20,324.50 is: 30,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,698.32 : 97,015.08 = 20,324.50 : x
  2. Step 2: Convert to fraction form
    64,698.32/97,015.08 = 20,324.50/x
  3. Step 3: Cross multiply
    64,698.32x = 97,015.08 × 20,324.50
  4. Step 4: Simplify right side
    64,698.32x = 1,971,782,993.46
  5. Step 5: Solve for x
    x = 1,971,782,993.46/64,698.32
  6. Step 6: Final answer
    x = 30,476.57

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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.