Home / 82,289.48-123,483.51-75,597.26

Finding the Fourth Proportional to 82,289.48, 123,483.51 and 75,597.26

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Solution

The fourth proportional to 82,289.48, 123,483.51 and 75,597.26 is: 113,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,289.48 : 123,483.51 = 75,597.26 : x
  2. Step 2: Convert to fraction form
    82,289.48/123,483.51 = 75,597.26/x
  3. Step 3: Cross multiply
    82,289.48x = 123,483.51 × 75,597.26
  4. Step 4: Simplify right side
    82,289.48x = 9,335,014,393.77
  5. Step 5: Solve for x
    x = 9,335,014,393.77/82,289.48
  6. Step 6: Final answer
    x = 113,441.17

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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.