Home / 43,875.72-65,820.06-14,283.99

Finding the Fourth Proportional to 43,875.72, 65,820.06 and 14,283.99

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Solution

The fourth proportional to 43,875.72, 65,820.06 and 14,283.99 is: 21,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,875.72 : 65,820.06 = 14,283.99 : x
  2. Step 2: Convert to fraction form
    43,875.72/65,820.06 = 14,283.99/x
  3. Step 3: Cross multiply
    43,875.72x = 65,820.06 × 14,283.99
  4. Step 4: Simplify right side
    43,875.72x = 940,173,078.84
  5. Step 5: Solve for x
    x = 940,173,078.84/43,875.72
  6. Step 6: Final answer
    x = 21,428.09

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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.