Home / 85,534.36-118,039.20-47,297.06

Finding the Fourth Proportional to 85,534.36, 118,039.20 and 47,297.06

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Solution

The fourth proportional to 85,534.36, 118,039.20 and 47,297.06 is: 65,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.36 : 118,039.20 = 47,297.06 : x
  2. Step 2: Convert to fraction form
    85,534.36/118,039.20 = 47,297.06/x
  3. Step 3: Cross multiply
    85,534.36x = 118,039.20 × 47,297.06
  4. Step 4: Simplify right side
    85,534.36x = 5,582,907,065.88
  5. Step 5: Solve for x
    x = 5,582,907,065.88/85,534.36
  6. Step 6: Final answer
    x = 65,270.93

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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.