Home / 86,055.84-118,727.52-53,768.56

Finding the Fourth Proportional to 86,055.84, 118,727.52 and 53,768.56

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Solution

The fourth proportional to 86,055.84, 118,727.52 and 53,768.56 is: 74,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,055.84 : 118,727.52 = 53,768.56 : x
  2. Step 2: Convert to fraction form
    86,055.84/118,727.52 = 53,768.56/x
  3. Step 3: Cross multiply
    86,055.84x = 118,727.52 × 53,768.56
  4. Step 4: Simplify right side
    86,055.84x = 6,383,807,782.77
  5. Step 5: Solve for x
    x = 6,383,807,782.77/86,055.84
  6. Step 6: Final answer
    x = 74,182.16

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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.