Home / 53,303-79,948.82-28,316.54

Finding the Fourth Proportional to 53,303, 79,948.82 and 28,316.54

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Solution

The fourth proportional to 53,303, 79,948.82 and 28,316.54 is: 42,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,303 : 79,948.82 = 28,316.54 : x
  2. Step 2: Convert to fraction form
    53,303/79,948.82 = 28,316.54/x
  3. Step 3: Cross multiply
    53,303x = 79,948.82 × 28,316.54
  4. Step 4: Simplify right side
    53,303x = 2,263,873,959.48
  5. Step 5: Solve for x
    x = 2,263,873,959.48/53,303
  6. Step 6: Final answer
    x = 42,471.79

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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.