Home / 53,254.28-79,744.78-51,677.68

Finding the Fourth Proportional to 53,254.28, 79,744.78 and 51,677.68

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Solution

The fourth proportional to 53,254.28, 79,744.78 and 51,677.68 is: 77,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,254.28 : 79,744.78 = 51,677.68 : x
  2. Step 2: Convert to fraction form
    53,254.28/79,744.78 = 51,677.68/x
  3. Step 3: Cross multiply
    53,254.28x = 79,744.78 × 51,677.68
  4. Step 4: Simplify right side
    53,254.28x = 4,121,025,222.51
  5. Step 5: Solve for x
    x = 4,121,025,222.51/53,254.28
  6. Step 6: Final answer
    x = 77,383.93

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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.