Home / 104,774.85-144,488.79-70,397.33

Finding the Fourth Proportional to 104,774.85, 144,488.79 and 70,397.33

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Solution

The fourth proportional to 104,774.85, 144,488.79 and 70,397.33 is: 97,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,774.85 : 144,488.79 = 70,397.33 : x
  2. Step 2: Convert to fraction form
    104,774.85/144,488.79 = 70,397.33/x
  3. Step 3: Cross multiply
    104,774.85x = 144,488.79 × 70,397.33
  4. Step 4: Simplify right side
    104,774.85x = 10,171,624,308.49
  5. Step 5: Solve for x
    x = 10,171,624,308.49/104,774.85
  6. Step 6: Final answer
    x = 97,080.78

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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.