Home / 74,294.91-102,469.76-51,633.63

Finding the Fourth Proportional to 74,294.91, 102,469.76 and 51,633.63

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Solution

The fourth proportional to 74,294.91, 102,469.76 and 51,633.63 is: 71,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,294.91 : 102,469.76 = 51,633.63 : x
  2. Step 2: Convert to fraction form
    74,294.91/102,469.76 = 51,633.63/x
  3. Step 3: Cross multiply
    74,294.91x = 102,469.76 × 51,633.63
  4. Step 4: Simplify right side
    74,294.91x = 5,290,885,415.86
  5. Step 5: Solve for x
    x = 5,290,885,415.86/74,294.91
  6. Step 6: Final answer
    x = 71,214.64

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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.