Home / 86,465.43-119,323.23-48,739.68

Finding the Fourth Proportional to 86,465.43, 119,323.23 and 48,739.68

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Solution

The fourth proportional to 86,465.43, 119,323.23 and 48,739.68 is: 67,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.43 : 119,323.23 = 48,739.68 : x
  2. Step 2: Convert to fraction form
    86,465.43/119,323.23 = 48,739.68/x
  3. Step 3: Cross multiply
    86,465.43x = 119,323.23 × 48,739.68
  4. Step 4: Simplify right side
    86,465.43x = 5,815,776,046.77
  5. Step 5: Solve for x
    x = 5,815,776,046.77/86,465.43
  6. Step 6: Final answer
    x = 67,261.29

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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.