Home / 45,925.04-68,878.42-12,636.50

Finding the Fourth Proportional to 45,925.04, 68,878.42 and 12,636.50

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Solution

The fourth proportional to 45,925.04, 68,878.42 and 12,636.50 is: 18,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,925.04 : 68,878.42 = 12,636.50 : x
  2. Step 2: Convert to fraction form
    45,925.04/68,878.42 = 12,636.50/x
  3. Step 3: Cross multiply
    45,925.04x = 68,878.42 × 12,636.50
  4. Step 4: Simplify right side
    45,925.04x = 870,382,154.33
  5. Step 5: Solve for x
    x = 870,382,154.33/45,925.04
  6. Step 6: Final answer
    x = 18,952.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.