Home / 94,712.39-130,698.98-51,690.79

Finding the Fourth Proportional to 94,712.39, 130,698.98 and 51,690.79

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Solution

The fourth proportional to 94,712.39, 130,698.98 and 51,690.79 is: 71,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,712.39 : 130,698.98 = 51,690.79 : x
  2. Step 2: Convert to fraction form
    94,712.39/130,698.98 = 51,690.79/x
  3. Step 3: Cross multiply
    94,712.39x = 130,698.98 × 51,690.79
  4. Step 4: Simplify right side
    94,712.39x = 6,755,933,917.92
  5. Step 5: Solve for x
    x = 6,755,933,917.92/94,712.39
  6. Step 6: Final answer
    x = 71,331.05

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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.