Home / 86,787.48-130,301.64-44,697.60

Finding the Fourth Proportional to 86,787.48, 130,301.64 and 44,697.60

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Solution

The fourth proportional to 86,787.48, 130,301.64 and 44,697.60 is: 67,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,787.48 : 130,301.64 = 44,697.60 : x
  2. Step 2: Convert to fraction form
    86,787.48/130,301.64 = 44,697.60/x
  3. Step 3: Cross multiply
    86,787.48x = 130,301.64 × 44,697.60
  4. Step 4: Simplify right side
    86,787.48x = 5,824,170,584.06
  5. Step 5: Solve for x
    x = 5,824,170,584.06/86,787.48
  6. Step 6: Final answer
    x = 67,108.42

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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.