Home / 122,790.26-169,448.76-69,075.32

Finding the Fourth Proportional to 122,790.26, 169,448.76 and 69,075.32

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Solution

The fourth proportional to 122,790.26, 169,448.76 and 69,075.32 is: 95,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,790.26 : 169,448.76 = 69,075.32 : x
  2. Step 2: Convert to fraction form
    122,790.26/169,448.76 = 69,075.32/x
  3. Step 3: Cross multiply
    122,790.26x = 169,448.76 × 69,075.32
  4. Step 4: Simplify right side
    122,790.26x = 11,704,726,473.36
  5. Step 5: Solve for x
    x = 11,704,726,473.36/122,790.26
  6. Step 6: Final answer
    x = 95,322.92

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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.