Home / 89,001.87-122,858.01-58,386.65

Finding the Fourth Proportional to 89,001.87, 122,858.01 and 58,386.65

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Solution

The fourth proportional to 89,001.87, 122,858.01 and 58,386.65 is: 80,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,001.87 : 122,858.01 = 58,386.65 : x
  2. Step 2: Convert to fraction form
    89,001.87/122,858.01 = 58,386.65/x
  3. Step 3: Cross multiply
    89,001.87x = 122,858.01 × 58,386.65
  4. Step 4: Simplify right side
    89,001.87x = 7,173,267,015.28
  5. Step 5: Solve for x
    x = 7,173,267,015.28/89,001.87
  6. Step 6: Final answer
    x = 80,596.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.