Home / 53,268.76-79,827-39,117.79

Finding the Fourth Proportional to 53,268.76, 79,827 and 39,117.79

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Solution

The fourth proportional to 53,268.76, 79,827 and 39,117.79 is: 58,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.76 : 79,827 = 39,117.79 : x
  2. Step 2: Convert to fraction form
    53,268.76/79,827 = 39,117.79/x
  3. Step 3: Cross multiply
    53,268.76x = 79,827 × 39,117.79
  4. Step 4: Simplify right side
    53,268.76x = 3,122,655,822.33
  5. Step 5: Solve for x
    x = 3,122,655,822.33/53,268.76
  6. Step 6: Final answer
    x = 58,620.77

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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.