Home / 113,015.88-155,975.22-62,718.12

Finding the Fourth Proportional to 113,015.88, 155,975.22 and 62,718.12

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Solution

The fourth proportional to 113,015.88, 155,975.22 and 62,718.12 is: 86,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,015.88 : 155,975.22 = 62,718.12 : x
  2. Step 2: Convert to fraction form
    113,015.88/155,975.22 = 62,718.12/x
  3. Step 3: Cross multiply
    113,015.88x = 155,975.22 × 62,718.12
  4. Step 4: Simplify right side
    113,015.88x = 9,782,472,564.99
  5. Step 5: Solve for x
    x = 9,782,472,564.99/113,015.88
  6. Step 6: Final answer
    x = 86,558.39

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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.