Home / 110,555.80-165,801.30-51,377.20

Finding the Fourth Proportional to 110,555.80, 165,801.30 and 51,377.20

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Solution

The fourth proportional to 110,555.80, 165,801.30 and 51,377.20 is: 77,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,555.80 : 165,801.30 = 51,377.20 : x
  2. Step 2: Convert to fraction form
    110,555.80/165,801.30 = 51,377.20/x
  3. Step 3: Cross multiply
    110,555.80x = 165,801.30 × 51,377.20
  4. Step 4: Simplify right side
    110,555.80x = 8,518,406,550.36
  5. Step 5: Solve for x
    x = 8,518,406,550.36/110,555.80
  6. Step 6: Final answer
    x = 77,050.74

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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.