Home / 68,901.96-95,090.22-38,689.29

Finding the Fourth Proportional to 68,901.96, 95,090.22 and 38,689.29

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Solution

The fourth proportional to 68,901.96, 95,090.22 and 38,689.29 is: 53,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,901.96 : 95,090.22 = 38,689.29 : x
  2. Step 2: Convert to fraction form
    68,901.96/95,090.22 = 38,689.29/x
  3. Step 3: Cross multiply
    68,901.96x = 95,090.22 × 38,689.29
  4. Step 4: Simplify right side
    68,901.96x = 3,678,973,097.74
  5. Step 5: Solve for x
    x = 3,678,973,097.74/68,901.96
  6. Step 6: Final answer
    x = 53,394.32

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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.