Home / 122,482.36-169,012.60-68,773.24

Finding the Fourth Proportional to 122,482.36, 169,012.60 and 68,773.24

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Solution

The fourth proportional to 122,482.36, 169,012.60 and 68,773.24 is: 94,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,482.36 : 169,012.60 = 68,773.24 : x
  2. Step 2: Convert to fraction form
    122,482.36/169,012.60 = 68,773.24/x
  3. Step 3: Cross multiply
    122,482.36x = 169,012.60 × 68,773.24
  4. Step 4: Simplify right side
    122,482.36x = 11,623,544,102.82
  5. Step 5: Solve for x
    x = 11,623,544,102.82/122,482.36
  6. Step 6: Final answer
    x = 94,899.74

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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.