Home / 45,822.24-68,720.40-14,649.12

Finding the Fourth Proportional to 45,822.24, 68,720.40 and 14,649.12

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Solution

The fourth proportional to 45,822.24, 68,720.40 and 14,649.12 is: 21,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.24 : 68,720.40 = 14,649.12 : x
  2. Step 2: Convert to fraction form
    45,822.24/68,720.40 = 14,649.12/x
  3. Step 3: Cross multiply
    45,822.24x = 68,720.40 × 14,649.12
  4. Step 4: Simplify right side
    45,822.24x = 1,006,693,386.05
  5. Step 5: Solve for x
    x = 1,006,693,386.05/45,822.24
  6. Step 6: Final answer
    x = 21,969.54

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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.