Home / 76,013.23-104,897.54-42,022.59

Finding the Fourth Proportional to 76,013.23, 104,897.54 and 42,022.59

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Solution

The fourth proportional to 76,013.23, 104,897.54 and 42,022.59 is: 57,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,013.23 : 104,897.54 = 42,022.59 : x
  2. Step 2: Convert to fraction form
    76,013.23/104,897.54 = 42,022.59/x
  3. Step 3: Cross multiply
    76,013.23x = 104,897.54 × 42,022.59
  4. Step 4: Simplify right side
    76,013.23x = 4,408,066,315.43
  5. Step 5: Solve for x
    x = 4,408,066,315.43/76,013.23
  6. Step 6: Final answer
    x = 57,990.78

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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.