Home / 68,429.04-94,411.44-39,743.17

Finding the Fourth Proportional to 68,429.04, 94,411.44 and 39,743.17

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Solution

The fourth proportional to 68,429.04, 94,411.44 and 39,743.17 is: 54,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,429.04 : 94,411.44 = 39,743.17 : x
  2. Step 2: Convert to fraction form
    68,429.04/94,411.44 = 39,743.17/x
  3. Step 3: Cross multiply
    68,429.04x = 94,411.44 × 39,743.17
  4. Step 4: Simplify right side
    68,429.04x = 3,752,209,909.86
  5. Step 5: Solve for x
    x = 3,752,209,909.86/68,429.04
  6. Step 6: Final answer
    x = 54,833.59

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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.