Home / 45,801.11-68,711.49-14,210.51

Finding the Fourth Proportional to 45,801.11, 68,711.49 and 14,210.51

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Solution

The fourth proportional to 45,801.11, 68,711.49 and 14,210.51 is: 21,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.11 : 68,711.49 = 14,210.51 : x
  2. Step 2: Convert to fraction form
    45,801.11/68,711.49 = 14,210.51/x
  3. Step 3: Cross multiply
    45,801.11x = 68,711.49 × 14,210.51
  4. Step 4: Simplify right side
    45,801.11x = 976,424,972.20
  5. Step 5: Solve for x
    x = 976,424,972.20/45,801.11
  6. Step 6: Final answer
    x = 21,318.80

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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.