Home / 105,333.22-145,360.37-57,586.57

Finding the Fourth Proportional to 105,333.22, 145,360.37 and 57,586.57

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Solution

The fourth proportional to 105,333.22, 145,360.37 and 57,586.57 is: 79,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,333.22 : 145,360.37 = 57,586.57 : x
  2. Step 2: Convert to fraction form
    105,333.22/145,360.37 = 57,586.57/x
  3. Step 3: Cross multiply
    105,333.22x = 145,360.37 × 57,586.57
  4. Step 4: Simplify right side
    105,333.22x = 8,370,805,122.23
  5. Step 5: Solve for x
    x = 8,370,805,122.23/105,333.22
  6. Step 6: Final answer
    x = 79,469.75

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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.