Home / 68,837.37-94,987.80-38,616.42

Finding the Fourth Proportional to 68,837.37, 94,987.80 and 38,616.42

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Solution

The fourth proportional to 68,837.37, 94,987.80 and 38,616.42 is: 53,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,837.37 : 94,987.80 = 38,616.42 : x
  2. Step 2: Convert to fraction form
    68,837.37/94,987.80 = 38,616.42/x
  3. Step 3: Cross multiply
    68,837.37x = 94,987.80 × 38,616.42
  4. Step 4: Simplify right side
    68,837.37x = 3,668,088,779.68
  5. Step 5: Solve for x
    x = 3,668,088,779.68/68,837.37
  6. Step 6: Final answer
    x = 53,286.30

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1.5x scale

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.