Home / 86,270.48-119,029.34-51,806.32

Finding the Fourth Proportional to 86,270.48, 119,029.34 and 51,806.32

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Solution

The fourth proportional to 86,270.48, 119,029.34 and 51,806.32 is: 71,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,270.48 : 119,029.34 = 51,806.32 : x
  2. Step 2: Convert to fraction form
    86,270.48/119,029.34 = 51,806.32/x
  3. Step 3: Cross multiply
    86,270.48x = 119,029.34 × 51,806.32
  4. Step 4: Simplify right side
    86,270.48x = 6,166,472,077.43
  5. Step 5: Solve for x
    x = 6,166,472,077.43/86,270.48
  6. Step 6: Final answer
    x = 71,478.36

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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.