Home / 80,212.48-110,699.52-46,680.32

Finding the Fourth Proportional to 80,212.48, 110,699.52 and 46,680.32

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Solution

The fourth proportional to 80,212.48, 110,699.52 and 46,680.32 is: 64,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212.48 : 110,699.52 = 46,680.32 : x
  2. Step 2: Convert to fraction form
    80,212.48/110,699.52 = 46,680.32/x
  3. Step 3: Cross multiply
    80,212.48x = 110,699.52 × 46,680.32
  4. Step 4: Simplify right side
    80,212.48x = 5,167,489,017.45
  5. Step 5: Solve for x
    x = 5,167,489,017.45/80,212.48
  6. Step 6: Final answer
    x = 64,422.51

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1.5x scale

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.