Home / 45,866.19-68,799.39-12,586.71

Finding the Fourth Proportional to 45,866.19, 68,799.39 and 12,586.71

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Solution

The fourth proportional to 45,866.19, 68,799.39 and 12,586.71 is: 18,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,866.19 : 68,799.39 = 12,586.71 : x
  2. Step 2: Convert to fraction form
    45,866.19/68,799.39 = 12,586.71/x
  3. Step 3: Cross multiply
    45,866.19x = 68,799.39 × 12,586.71
  4. Step 4: Simplify right side
    45,866.19x = 865,957,970.11
  5. Step 5: Solve for x
    x = 865,957,970.11/45,866.19
  6. Step 6: Final answer
    x = 18,880.09

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1.5x scale

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.