Home / 110,696.13-152,692.43-78,875.28

Finding the Fourth Proportional to 110,696.13, 152,692.43 and 78,875.28

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Solution

The fourth proportional to 110,696.13, 152,692.43 and 78,875.28 is: 108,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,696.13 : 152,692.43 = 78,875.28 : x
  2. Step 2: Convert to fraction form
    110,696.13/152,692.43 = 78,875.28/x
  3. Step 3: Cross multiply
    110,696.13x = 152,692.43 × 78,875.28
  4. Step 4: Simplify right side
    110,696.13x = 12,043,657,775.75
  5. Step 5: Solve for x
    x = 12,043,657,775.75/110,696.13
  6. Step 6: Final answer
    x = 108,799.27

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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.