Home / 53,619.12-80,477.16-28,680.24

Finding the Fourth Proportional to 53,619.12, 80,477.16 and 28,680.24

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Solution

The fourth proportional to 53,619.12, 80,477.16 and 28,680.24 is: 43,046.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.12 : 80,477.16 = 28,680.24 : x
  2. Step 2: Convert to fraction form
    53,619.12/80,477.16 = 28,680.24/x
  3. Step 3: Cross multiply
    53,619.12x = 80,477.16 × 28,680.24
  4. Step 4: Simplify right side
    53,619.12x = 2,308,104,263.32
  5. Step 5: Solve for x
    x = 2,308,104,263.32/53,619.12
  6. Step 6: Final answer
    x = 43,046.29

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1.5x scale

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.