Home / 86,212.41-118,955.29-50,395.49

Finding the Fourth Proportional to 86,212.41, 118,955.29 and 50,395.49

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Solution

The fourth proportional to 86,212.41, 118,955.29 and 50,395.49 is: 69,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,212.41 : 118,955.29 = 50,395.49 : x
  2. Step 2: Convert to fraction form
    86,212.41/118,955.29 = 50,395.49/x
  3. Step 3: Cross multiply
    86,212.41x = 118,955.29 × 50,395.49
  4. Step 4: Simplify right side
    86,212.41x = 5,994,810,127.64
  5. Step 5: Solve for x
    x = 5,994,810,127.64/86,212.41
  6. Step 6: Final answer
    x = 69,535.35

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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.