Home / 53,416.46-80,129.24-13,973.51

Finding the Fourth Proportional to 53,416.46, 80,129.24 and 13,973.51

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Solution

The fourth proportional to 53,416.46, 80,129.24 and 13,973.51 is: 20,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,416.46 : 80,129.24 = 13,973.51 : x
  2. Step 2: Convert to fraction form
    53,416.46/80,129.24 = 13,973.51/x
  3. Step 3: Cross multiply
    53,416.46x = 80,129.24 × 13,973.51
  4. Step 4: Simplify right side
    53,416.46x = 1,119,686,736.43
  5. Step 5: Solve for x
    x = 1,119,686,736.43/53,416.46
  6. Step 6: Final answer
    x = 20,961.46

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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.