Home / 110,577.35-165,864.66-77,985.33

Finding the Fourth Proportional to 110,577.35, 165,864.66 and 77,985.33

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Solution

The fourth proportional to 110,577.35, 165,864.66 and 77,985.33 is: 116,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,577.35 : 165,864.66 = 77,985.33 : x
  2. Step 2: Convert to fraction form
    110,577.35/165,864.66 = 77,985.33/x
  3. Step 3: Cross multiply
    110,577.35x = 165,864.66 × 77,985.33
  4. Step 4: Simplify right side
    110,577.35x = 12,935,010,702.66
  5. Step 5: Solve for x
    x = 12,935,010,702.66/110,577.35
  6. Step 6: Final answer
    x = 116,977.03

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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.