Home / 110,782.84-152,876.44-68,340.28

Finding the Fourth Proportional to 110,782.84, 152,876.44 and 68,340.28

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Solution

The fourth proportional to 110,782.84, 152,876.44 and 68,340.28 is: 94,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,782.84 : 152,876.44 = 68,340.28 : x
  2. Step 2: Convert to fraction form
    110,782.84/152,876.44 = 68,340.28/x
  3. Step 3: Cross multiply
    110,782.84x = 152,876.44 × 68,340.28
  4. Step 4: Simplify right side
    110,782.84x = 10,447,618,715.00
  5. Step 5: Solve for x
    x = 10,447,618,715.00/110,782.84
  6. Step 6: Final answer
    x = 94,307.19

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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.