Home / 112,933.79-169,416.33-38,075.37

Finding the Fourth Proportional to 112,933.79, 169,416.33 and 38,075.37

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Solution

The fourth proportional to 112,933.79, 169,416.33 and 38,075.37 is: 57,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,933.79 : 169,416.33 = 38,075.37 : x
  2. Step 2: Convert to fraction form
    112,933.79/169,416.33 = 38,075.37/x
  3. Step 3: Cross multiply
    112,933.79x = 169,416.33 × 38,075.37
  4. Step 4: Simplify right side
    112,933.79x = 6,450,588,991.96
  5. Step 5: Solve for x
    x = 6,450,588,991.96/112,933.79
  6. Step 6: Final answer
    x = 57,118.32

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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.