Home / 110,319.35-165,480.84-53,360.15

Finding the Fourth Proportional to 110,319.35, 165,480.84 and 53,360.15

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Solution

The fourth proportional to 110,319.35, 165,480.84 and 53,360.15 is: 80,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,319.35 : 165,480.84 = 53,360.15 : x
  2. Step 2: Convert to fraction form
    110,319.35/165,480.84 = 53,360.15/x
  3. Step 3: Cross multiply
    110,319.35x = 165,480.84 × 53,360.15
  4. Step 4: Simplify right side
    110,319.35x = 8,830,081,617.12
  5. Step 5: Solve for x
    x = 8,830,081,617.12/110,319.35
  6. Step 6: Final answer
    x = 80,041.10

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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.