Home / 112,629.75-155,433.93-62,328.75

Finding the Fourth Proportional to 112,629.75, 155,433.93 and 62,328.75

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Solution

The fourth proportional to 112,629.75, 155,433.93 and 62,328.75 is: 86,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,629.75 : 155,433.93 = 62,328.75 : x
  2. Step 2: Convert to fraction form
    112,629.75/155,433.93 = 62,328.75/x
  3. Step 3: Cross multiply
    112,629.75x = 155,433.93 × 62,328.75
  4. Step 4: Simplify right side
    112,629.75x = 9,688,002,564.49
  5. Step 5: Solve for x
    x = 9,688,002,564.49/112,629.75
  6. Step 6: Final answer
    x = 86,016.37

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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.