Home / 104,968.71-144,742.48-70,918.07

Finding the Fourth Proportional to 104,968.71, 144,742.48 and 70,918.07

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Solution

The fourth proportional to 104,968.71, 144,742.48 and 70,918.07 is: 97,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,968.71 : 144,742.48 = 70,918.07 : x
  2. Step 2: Convert to fraction form
    104,968.71/144,742.48 = 70,918.07/x
  3. Step 3: Cross multiply
    104,968.71x = 144,742.48 × 70,918.07
  4. Step 4: Simplify right side
    104,968.71x = 10,264,856,427.61
  5. Step 5: Solve for x
    x = 10,264,856,427.61/104,968.71
  6. Step 6: Final answer
    x = 97,789.68

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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.