Home / 84,872.61-117,080.26-57,650.08

Finding the Fourth Proportional to 84,872.61, 117,080.26 and 57,650.08

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Solution

The fourth proportional to 84,872.61, 117,080.26 and 57,650.08 is: 79,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,872.61 : 117,080.26 = 57,650.08 : x
  2. Step 2: Convert to fraction form
    84,872.61/117,080.26 = 57,650.08/x
  3. Step 3: Cross multiply
    84,872.61x = 117,080.26 × 57,650.08
  4. Step 4: Simplify right side
    84,872.61x = 6,749,686,300.26
  5. Step 5: Solve for x
    x = 6,749,686,300.26/84,872.61
  6. Step 6: Final answer
    x = 79,527.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.