Home / 53,051.40-73,212.12-29,180.16

Finding the Fourth Proportional to 53,051.40, 73,212.12 and 29,180.16

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Solution

The fourth proportional to 53,051.40, 73,212.12 and 29,180.16 is: 40,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,051.40 : 73,212.12 = 29,180.16 : x
  2. Step 2: Convert to fraction form
    53,051.40/73,212.12 = 29,180.16/x
  3. Step 3: Cross multiply
    53,051.40x = 73,212.12 × 29,180.16
  4. Step 4: Simplify right side
    53,051.40x = 2,136,341,375.54
  5. Step 5: Solve for x
    x = 2,136,341,375.54/53,051.40
  6. Step 6: Final answer
    x = 40,269.27

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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.