Home / 108,858.33-163,329.48-42,345.32

Finding the Fourth Proportional to 108,858.33, 163,329.48 and 42,345.32

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Solution

The fourth proportional to 108,858.33, 163,329.48 and 42,345.32 is: 63,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,858.33 : 163,329.48 = 42,345.32 : x
  2. Step 2: Convert to fraction form
    108,858.33/163,329.48 = 42,345.32/x
  3. Step 3: Cross multiply
    108,858.33x = 163,329.48 × 42,345.32
  4. Step 4: Simplify right side
    108,858.33x = 6,916,238,279.39
  5. Step 5: Solve for x
    x = 6,916,238,279.39/108,858.33
  6. Step 6: Final answer
    x = 63,534.30

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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.