Home / 68,901.39-95,076.59-38,690.01

Finding the Fourth Proportional to 68,901.39, 95,076.59 and 38,690.01

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Solution

The fourth proportional to 68,901.39, 95,076.59 and 38,690.01 is: 53,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,901.39 : 95,076.59 = 38,690.01 : x
  2. Step 2: Convert to fraction form
    68,901.39/95,076.59 = 38,690.01/x
  3. Step 3: Cross multiply
    68,901.39x = 95,076.59 × 38,690.01
  4. Step 4: Simplify right side
    68,901.39x = 3,678,514,024.42
  5. Step 5: Solve for x
    x = 3,678,514,024.42/68,901.39
  6. Step 6: Final answer
    x = 53,388.10

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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.