Home / 94,243.16-130,054.11-51,800.78

Finding the Fourth Proportional to 94,243.16, 130,054.11 and 51,800.78

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Solution

The fourth proportional to 94,243.16, 130,054.11 and 51,800.78 is: 71,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,243.16 : 130,054.11 = 51,800.78 : x
  2. Step 2: Convert to fraction form
    94,243.16/130,054.11 = 51,800.78/x
  3. Step 3: Cross multiply
    94,243.16x = 130,054.11 × 51,800.78
  4. Step 4: Simplify right side
    94,243.16x = 6,736,904,471.09
  5. Step 5: Solve for x
    x = 6,736,904,471.09/94,243.16
  6. Step 6: Final answer
    x = 71,484.28

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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.