Home / 53,106.06-79,708.32-26,829.30

Finding the Fourth Proportional to 53,106.06, 79,708.32 and 26,829.30

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Solution

The fourth proportional to 53,106.06, 79,708.32 and 26,829.30 is: 40,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.06 : 79,708.32 = 26,829.30 : x
  2. Step 2: Convert to fraction form
    53,106.06/79,708.32 = 26,829.30/x
  3. Step 3: Cross multiply
    53,106.06x = 79,708.32 × 26,829.30
  4. Step 4: Simplify right side
    53,106.06x = 2,138,518,429.78
  5. Step 5: Solve for x
    x = 2,138,518,429.78/53,106.06
  6. Step 6: Final answer
    x = 40,268.82

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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.