Home / 68,835.02-94,990.75-38,619.64

Finding the Fourth Proportional to 68,835.02, 94,990.75 and 38,619.64

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Solution

The fourth proportional to 68,835.02, 94,990.75 and 38,619.64 is: 53,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,835.02 : 94,990.75 = 38,619.64 : x
  2. Step 2: Convert to fraction form
    68,835.02/94,990.75 = 38,619.64/x
  3. Step 3: Cross multiply
    68,835.02x = 94,990.75 × 38,619.64
  4. Step 4: Simplify right side
    68,835.02x = 3,668,508,164.81
  5. Step 5: Solve for x
    x = 3,668,508,164.81/68,835.02
  6. Step 6: Final answer
    x = 53,294.22

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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.