Home / 104,688.30-144,456.76-70,770.56

Finding the Fourth Proportional to 104,688.30, 144,456.76 and 70,770.56

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Solution

The fourth proportional to 104,688.30, 144,456.76 and 70,770.56 is: 97,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,688.30 : 144,456.76 = 70,770.56 : x
  2. Step 2: Convert to fraction form
    104,688.30/144,456.76 = 70,770.56/x
  3. Step 3: Cross multiply
    104,688.30x = 144,456.76 × 70,770.56
  4. Step 4: Simplify right side
    104,688.30x = 10,223,285,800.99
  5. Step 5: Solve for x
    x = 10,223,285,800.99/104,688.30
  6. Step 6: Final answer
    x = 97,654.52

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1.5x scale

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.