Home / 56,116.34-84,156.75-18,668.18

Finding the Fourth Proportional to 56,116.34, 84,156.75 and 18,668.18

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Solution

The fourth proportional to 56,116.34, 84,156.75 and 18,668.18 is: 27,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.34 : 84,156.75 = 18,668.18 : x
  2. Step 2: Convert to fraction form
    56,116.34/84,156.75 = 18,668.18/x
  3. Step 3: Cross multiply
    56,116.34x = 84,156.75 × 18,668.18
  4. Step 4: Simplify right side
    56,116.34x = 1,571,053,357.22
  5. Step 5: Solve for x
    x = 1,571,053,357.22/56,116.34
  6. Step 6: Final answer
    x = 27,996.36

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1.5x scale

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.