Home / 82,810.56-124,273.44-36,039.36

Finding the Fourth Proportional to 82,810.56, 124,273.44 and 36,039.36

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Solution

The fourth proportional to 82,810.56, 124,273.44 and 36,039.36 is: 54,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,810.56 : 124,273.44 = 36,039.36 : x
  2. Step 2: Convert to fraction form
    82,810.56/124,273.44 = 36,039.36/x
  3. Step 3: Cross multiply
    82,810.56x = 124,273.44 × 36,039.36
  4. Step 4: Simplify right side
    82,810.56x = 4,478,735,242.60
  5. Step 5: Solve for x
    x = 4,478,735,242.60/82,810.56
  6. Step 6: Final answer
    x = 54,084.11

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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.