Home / 68,864.58-95,089.14-56,119.64

Finding the Fourth Proportional to 68,864.58, 95,089.14 and 56,119.64

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Solution

The fourth proportional to 68,864.58, 95,089.14 and 56,119.64 is: 77,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,864.58 : 95,089.14 = 56,119.64 : x
  2. Step 2: Convert to fraction form
    68,864.58/95,089.14 = 56,119.64/x
  3. Step 3: Cross multiply
    68,864.58x = 95,089.14 × 56,119.64
  4. Step 4: Simplify right side
    68,864.58x = 5,336,367,829.26
  5. Step 5: Solve for x
    x = 5,336,367,829.26/68,864.58
  6. Step 6: Final answer
    x = 77,490.75

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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.