Home / 110,320.86-152,236.35-61,918.29

Finding the Fourth Proportional to 110,320.86, 152,236.35 and 61,918.29

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Solution

The fourth proportional to 110,320.86, 152,236.35 and 61,918.29 is: 85,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,320.86 : 152,236.35 = 61,918.29 : x
  2. Step 2: Convert to fraction form
    110,320.86/152,236.35 = 61,918.29/x
  3. Step 3: Cross multiply
    110,320.86x = 152,236.35 × 61,918.29
  4. Step 4: Simplify right side
    110,320.86x = 9,426,214,467.84
  5. Step 5: Solve for x
    x = 9,426,214,467.84/110,320.86
  6. Step 6: Final answer
    x = 85,443.63

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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.