Home / 69,960.36-96,547.56-39,745.14

Finding the Fourth Proportional to 69,960.36, 96,547.56 and 39,745.14

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Solution

The fourth proportional to 69,960.36, 96,547.56 and 39,745.14 is: 54,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960.36 : 96,547.56 = 39,745.14 : x
  2. Step 2: Convert to fraction form
    69,960.36/96,547.56 = 39,745.14/x
  3. Step 3: Cross multiply
    69,960.36x = 96,547.56 × 39,745.14
  4. Step 4: Simplify right side
    69,960.36x = 3,837,296,001.33
  5. Step 5: Solve for x
    x = 3,837,296,001.33/69,960.36
  6. Step 6: Final answer
    x = 54,849.57

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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.