Home / 69,911.24-96,393.66-57,117.02

Finding the Fourth Proportional to 69,911.24, 96,393.66 and 57,117.02

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Solution

The fourth proportional to 69,911.24, 96,393.66 and 57,117.02 is: 78,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,911.24 : 96,393.66 = 57,117.02 : x
  2. Step 2: Convert to fraction form
    69,911.24/96,393.66 = 57,117.02/x
  3. Step 3: Cross multiply
    69,911.24x = 96,393.66 × 57,117.02
  4. Step 4: Simplify right side
    69,911.24x = 5,505,718,606.09
  5. Step 5: Solve for x
    x = 5,505,718,606.09/69,911.24
  6. Step 6: Final answer
    x = 78,752.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.