Home / 94,710.75-142,105.07-69,538.80

Finding the Fourth Proportional to 94,710.75, 142,105.07 and 69,538.80

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Solution

The fourth proportional to 94,710.75, 142,105.07 and 69,538.80 is: 104,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,710.75 : 142,105.07 = 69,538.80 : x
  2. Step 2: Convert to fraction form
    94,710.75/142,105.07 = 69,538.80/x
  3. Step 3: Cross multiply
    94,710.75x = 142,105.07 × 69,538.80
  4. Step 4: Simplify right side
    94,710.75x = 9,881,816,041.72
  5. Step 5: Solve for x
    x = 9,881,816,041.72/94,710.75
  6. Step 6: Final answer
    x = 104,336.79

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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.