Home / 80,670.48-121,030.32-41,255.28

Finding the Fourth Proportional to 80,670.48, 121,030.32 and 41,255.28

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Solution

The fourth proportional to 80,670.48, 121,030.32 and 41,255.28 is: 61,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,670.48 : 121,030.32 = 41,255.28 : x
  2. Step 2: Convert to fraction form
    80,670.48/121,030.32 = 41,255.28/x
  3. Step 3: Cross multiply
    80,670.48x = 121,030.32 × 41,255.28
  4. Step 4: Simplify right side
    80,670.48x = 4,993,139,740.09
  5. Step 5: Solve for x
    x = 4,993,139,740.09/80,670.48
  6. Step 6: Final answer
    x = 61,895.50

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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.