Home / 77,964.34-116,945.47-18,799.53

Finding the Fourth Proportional to 77,964.34, 116,945.47 and 18,799.53

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Solution

The fourth proportional to 77,964.34, 116,945.47 and 18,799.53 is: 28,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.34 : 116,945.47 = 18,799.53 : x
  2. Step 2: Convert to fraction form
    77,964.34/116,945.47 = 18,799.53/x
  3. Step 3: Cross multiply
    77,964.34x = 116,945.47 × 18,799.53
  4. Step 4: Simplify right side
    77,964.34x = 2,198,519,456.58
  5. Step 5: Solve for x
    x = 2,198,519,456.58/77,964.34
  6. Step 6: Final answer
    x = 28,199.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.