Home / 45,811.01-68,726.33-14,220.38

Finding the Fourth Proportional to 45,811.01, 68,726.33 and 14,220.38

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Solution

The fourth proportional to 45,811.01, 68,726.33 and 14,220.38 is: 21,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,811.01 : 68,726.33 = 14,220.38 : x
  2. Step 2: Convert to fraction form
    45,811.01/68,726.33 = 14,220.38/x
  3. Step 3: Cross multiply
    45,811.01x = 68,726.33 × 14,220.38
  4. Step 4: Simplify right side
    45,811.01x = 977,314,528.61
  5. Step 5: Solve for x
    x = 977,314,528.61/45,811.01
  6. Step 6: Final answer
    x = 21,333.62

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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.