Home / 86,984.64-130,493.36-49,586.94

Finding the Fourth Proportional to 86,984.64, 130,493.36 and 49,586.94

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Solution

The fourth proportional to 86,984.64, 130,493.36 and 49,586.94 is: 74,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,984.64 : 130,493.36 = 49,586.94 : x
  2. Step 2: Convert to fraction form
    86,984.64/130,493.36 = 49,586.94/x
  3. Step 3: Cross multiply
    86,984.64x = 130,493.36 × 49,586.94
  4. Step 4: Simplify right side
    86,984.64x = 6,470,766,412.72
  5. Step 5: Solve for x
    x = 6,470,766,412.72/86,984.64
  6. Step 6: Final answer
    x = 74,389.76

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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.