Home / 43,856.19-65,785.10-14,273.91

Finding the Fourth Proportional to 43,856.19, 65,785.10 and 14,273.91

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Solution

The fourth proportional to 43,856.19, 65,785.10 and 14,273.91 is: 21,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,856.19 : 65,785.10 = 14,273.91 : x
  2. Step 2: Convert to fraction form
    43,856.19/65,785.10 = 14,273.91/x
  3. Step 3: Cross multiply
    43,856.19x = 65,785.10 × 14,273.91
  4. Step 4: Simplify right side
    43,856.19x = 939,010,525.37
  5. Step 5: Solve for x
    x = 939,010,525.37/43,856.19
  6. Step 6: Final answer
    x = 21,411.13

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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.