Home / 44,285.16-66,417.96-13,109.88

Finding the Fourth Proportional to 44,285.16, 66,417.96 and 13,109.88

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Solution

The fourth proportional to 44,285.16, 66,417.96 and 13,109.88 is: 19,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,285.16 : 66,417.96 = 13,109.88 : x
  2. Step 2: Convert to fraction form
    44,285.16/66,417.96 = 13,109.88/x
  3. Step 3: Cross multiply
    44,285.16x = 66,417.96 × 13,109.88
  4. Step 4: Simplify right side
    44,285.16x = 870,731,485.44
  5. Step 5: Solve for x
    x = 870,731,485.44/44,285.16
  6. Step 6: Final answer
    x = 19,661.92

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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.