Home / 53,001.96-73,144.26-29,128.83

Finding the Fourth Proportional to 53,001.96, 73,144.26 and 29,128.83

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Solution

The fourth proportional to 53,001.96, 73,144.26 and 29,128.83 is: 40,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.96 : 73,144.26 = 29,128.83 : x
  2. Step 2: Convert to fraction form
    53,001.96/73,144.26 = 29,128.83/x
  3. Step 3: Cross multiply
    53,001.96x = 73,144.26 × 29,128.83
  4. Step 4: Simplify right side
    53,001.96x = 2,130,606,715.02
  5. Step 5: Solve for x
    x = 2,130,606,715.02/53,001.96
  6. Step 6: Final answer
    x = 40,198.64

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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.