Home / 86,933.96-130,400.93-47,469.54

Finding the Fourth Proportional to 86,933.96, 130,400.93 and 47,469.54

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Solution

The fourth proportional to 86,933.96, 130,400.93 and 47,469.54 is: 71,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,933.96 : 130,400.93 = 47,469.54 : x
  2. Step 2: Convert to fraction form
    86,933.96/130,400.93 = 47,469.54/x
  3. Step 3: Cross multiply
    86,933.96x = 130,400.93 × 47,469.54
  4. Step 4: Simplify right side
    86,933.96x = 6,190,071,925.32
  5. Step 5: Solve for x
    x = 6,190,071,925.32/86,933.96
  6. Step 6: Final answer
    x = 71,204.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.