Home / 110,415.54-152,352.45-70,135.86

Finding the Fourth Proportional to 110,415.54, 152,352.45 and 70,135.86

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Solution

The fourth proportional to 110,415.54, 152,352.45 and 70,135.86 is: 96,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,415.54 : 152,352.45 = 70,135.86 : x
  2. Step 2: Convert to fraction form
    110,415.54/152,352.45 = 70,135.86/x
  3. Step 3: Cross multiply
    110,415.54x = 152,352.45 × 70,135.86
  4. Step 4: Simplify right side
    110,415.54x = 10,685,370,103.86
  5. Step 5: Solve for x
    x = 10,685,370,103.86/110,415.54
  6. Step 6: Final answer
    x = 96,774.15

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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.