Home / 85,744.92-118,262.94-75,116.10

Finding the Fourth Proportional to 85,744.92, 118,262.94 and 75,116.10

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Solution

The fourth proportional to 85,744.92, 118,262.94 and 75,116.10 is: 103,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,744.92 : 118,262.94 = 75,116.10 : x
  2. Step 2: Convert to fraction form
    85,744.92/118,262.94 = 75,116.10/x
  3. Step 3: Cross multiply
    85,744.92x = 118,262.94 × 75,116.10
  4. Step 4: Simplify right side
    85,744.92x = 8,883,450,827.33
  5. Step 5: Solve for x
    x = 8,883,450,827.33/85,744.92
  6. Step 6: Final answer
    x = 103,603.23

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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.