Home / 53,010.09-73,154.48-28,811.04

Finding the Fourth Proportional to 53,010.09, 73,154.48 and 28,811.04

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Solution

The fourth proportional to 53,010.09, 73,154.48 and 28,811.04 is: 39,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.09 : 73,154.48 = 28,811.04 : x
  2. Step 2: Convert to fraction form
    53,010.09/73,154.48 = 28,811.04/x
  3. Step 3: Cross multiply
    53,010.09x = 73,154.48 × 28,811.04
  4. Step 4: Simplify right side
    53,010.09x = 2,107,656,649.46
  5. Step 5: Solve for x
    x = 2,107,656,649.46/53,010.09
  6. Step 6: Final answer
    x = 39,759.54

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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.