Home / 53,106.12-79,708.32-26,829.24

Finding the Fourth Proportional to 53,106.12, 79,708.32 and 26,829.24

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Solution

The fourth proportional to 53,106.12, 79,708.32 and 26,829.24 is: 40,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.12 : 79,708.32 = 26,829.24 : x
  2. Step 2: Convert to fraction form
    53,106.12/79,708.32 = 26,829.24/x
  3. Step 3: Cross multiply
    53,106.12x = 79,708.32 × 26,829.24
  4. Step 4: Simplify right side
    53,106.12x = 2,138,513,647.28
  5. Step 5: Solve for x
    x = 2,138,513,647.28/53,106.12
  6. Step 6: Final answer
    x = 40,268.69

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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.