Home / 81,890.96-113,001.40-46,080.16

Finding the Fourth Proportional to 81,890.96, 113,001.40 and 46,080.16

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Solution

The fourth proportional to 81,890.96, 113,001.40 and 46,080.16 is: 63,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890.96 : 113,001.40 = 46,080.16 : x
  2. Step 2: Convert to fraction form
    81,890.96/113,001.40 = 46,080.16/x
  3. Step 3: Cross multiply
    81,890.96x = 113,001.40 × 46,080.16
  4. Step 4: Simplify right side
    81,890.96x = 5,207,122,592.22
  5. Step 5: Solve for x
    x = 5,207,122,592.22/81,890.96
  6. Step 6: Final answer
    x = 63,586.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.