Home / 69,933.36-96,543.72-47,391.48

Finding the Fourth Proportional to 69,933.36, 96,543.72 and 47,391.48

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Solution

The fourth proportional to 69,933.36, 96,543.72 and 47,391.48 is: 65,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,933.36 : 96,543.72 = 47,391.48 : x
  2. Step 2: Convert to fraction form
    69,933.36/96,543.72 = 47,391.48/x
  3. Step 3: Cross multiply
    69,933.36x = 96,543.72 × 47,391.48
  4. Step 4: Simplify right side
    69,933.36x = 4,575,349,775.51
  5. Step 5: Solve for x
    x = 4,575,349,775.51/69,933.36
  6. Step 6: Final answer
    x = 65,424.42

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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.