Home / 64,911.99-97,371.53-20,535.45

Finding the Fourth Proportional to 64,911.99, 97,371.53 and 20,535.45

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Solution

The fourth proportional to 64,911.99, 97,371.53 and 20,535.45 is: 30,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,911.99 : 97,371.53 = 20,535.45 : x
  2. Step 2: Convert to fraction form
    64,911.99/97,371.53 = 20,535.45/x
  3. Step 3: Cross multiply
    64,911.99x = 97,371.53 × 20,535.45
  4. Step 4: Simplify right side
    64,911.99x = 1,999,568,185.74
  5. Step 5: Solve for x
    x = 1,999,568,185.74/64,911.99
  6. Step 6: Final answer
    x = 30,804.30

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1.5x scale

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.