Home / 68,785.40-94,934.48-38,582.92

Finding the Fourth Proportional to 68,785.40, 94,934.48 and 38,582.92

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Solution

The fourth proportional to 68,785.40, 94,934.48 and 38,582.92 is: 53,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,785.40 : 94,934.48 = 38,582.92 : x
  2. Step 2: Convert to fraction form
    68,785.40/94,934.48 = 38,582.92/x
  3. Step 3: Cross multiply
    68,785.40x = 94,934.48 × 38,582.92
  4. Step 4: Simplify right side
    68,785.40x = 3,662,849,447.08
  5. Step 5: Solve for x
    x = 3,662,849,447.08/68,785.40
  6. Step 6: Final answer
    x = 53,250.39

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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.