Home / 118,858.23-164,022.98-64,409.31

Finding the Fourth Proportional to 118,858.23, 164,022.98 and 64,409.31

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Solution

The fourth proportional to 118,858.23, 164,022.98 and 64,409.31 is: 88,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,858.23 : 164,022.98 = 64,409.31 : x
  2. Step 2: Convert to fraction form
    118,858.23/164,022.98 = 64,409.31/x
  3. Step 3: Cross multiply
    118,858.23x = 164,022.98 × 64,409.31
  4. Step 4: Simplify right side
    118,858.23x = 10,564,606,643.90
  5. Step 5: Solve for x
    x = 10,564,606,643.90/118,858.23
  6. Step 6: Final answer
    x = 88,884.10

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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.