Home / 47,112.40-65,014.36-25,891.21

Finding the Fourth Proportional to 47,112.40, 65,014.36 and 25,891.21

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Solution

The fourth proportional to 47,112.40, 65,014.36 and 25,891.21 is: 35,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.40 : 65,014.36 = 25,891.21 : x
  2. Step 2: Convert to fraction form
    47,112.40/65,014.36 = 25,891.21/x
  3. Step 3: Cross multiply
    47,112.40x = 65,014.36 × 25,891.21
  4. Step 4: Simplify right side
    47,112.40x = 1,683,300,220.51
  5. Step 5: Solve for x
    x = 1,683,300,220.51/47,112.40
  6. Step 6: Final answer
    x = 35,729.45

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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.