Home / 86,683.77-130,043.48-39,276.09

Finding the Fourth Proportional to 86,683.77, 130,043.48 and 39,276.09

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Solution

The fourth proportional to 86,683.77, 130,043.48 and 39,276.09 is: 58,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,683.77 : 130,043.48 = 39,276.09 : x
  2. Step 2: Convert to fraction form
    86,683.77/130,043.48 = 39,276.09/x
  3. Step 3: Cross multiply
    86,683.77x = 130,043.48 × 39,276.09
  4. Step 4: Simplify right side
    86,683.77x = 5,107,599,228.01
  5. Step 5: Solve for x
    x = 5,107,599,228.01/86,683.77
  6. Step 6: Final answer
    x = 58,922.21

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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.