Home / 81,214.14-112,089.36-47,242.33

Finding the Fourth Proportional to 81,214.14, 112,089.36 and 47,242.33

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Solution

The fourth proportional to 81,214.14, 112,089.36 and 47,242.33 is: 65,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,214.14 : 112,089.36 = 47,242.33 : x
  2. Step 2: Convert to fraction form
    81,214.14/112,089.36 = 47,242.33/x
  3. Step 3: Cross multiply
    81,214.14x = 112,089.36 × 47,242.33
  4. Step 4: Simplify right side
    81,214.14x = 5,295,361,737.95
  5. Step 5: Solve for x
    x = 5,295,361,737.95/81,214.14
  6. Step 6: Final answer
    x = 65,202.46

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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.