Home / 117,825.36-162,599.70-64,110.78

Finding the Fourth Proportional to 117,825.36, 162,599.70 and 64,110.78

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Solution

The fourth proportional to 117,825.36, 162,599.70 and 64,110.78 is: 88,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,825.36 : 162,599.70 = 64,110.78 : x
  2. Step 2: Convert to fraction form
    117,825.36/162,599.70 = 64,110.78/x
  3. Step 3: Cross multiply
    117,825.36x = 162,599.70 × 64,110.78
  4. Step 4: Simplify right side
    117,825.36x = 10,424,393,594.77
  5. Step 5: Solve for x
    x = 10,424,393,594.77/117,825.36
  6. Step 6: Final answer
    x = 88,473.26

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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.