Home / 112,907.49-169,361.53-38,080.19

Finding the Fourth Proportional to 112,907.49, 169,361.53 and 38,080.19

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Solution

The fourth proportional to 112,907.49, 169,361.53 and 38,080.19 is: 57,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.49 : 169,361.53 = 38,080.19 : x
  2. Step 2: Convert to fraction form
    112,907.49/169,361.53 = 38,080.19/x
  3. Step 3: Cross multiply
    112,907.49x = 169,361.53 × 38,080.19
  4. Step 4: Simplify right side
    112,907.49x = 6,449,319,569.29
  5. Step 5: Solve for x
    x = 6,449,319,569.29/112,907.49
  6. Step 6: Final answer
    x = 57,120.39

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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.