Home / 94,709.75-142,103.57-69,537.80

Finding the Fourth Proportional to 94,709.75, 142,103.57 and 69,537.80

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Solution

The fourth proportional to 94,709.75, 142,103.57 and 69,537.80 is: 104,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,709.75 : 142,103.57 = 69,537.80 : x
  2. Step 2: Convert to fraction form
    94,709.75/142,103.57 = 69,537.80/x
  3. Step 3: Cross multiply
    94,709.75x = 142,103.57 × 69,537.80
  4. Step 4: Simplify right side
    94,709.75x = 9,881,569,448.53
  5. Step 5: Solve for x
    x = 9,881,569,448.53/94,709.75
  6. Step 6: Final answer
    x = 104,335.30

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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.