Home / 81,967.48-113,114.01-46,157.92

Finding the Fourth Proportional to 81,967.48, 113,114.01 and 46,157.92

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Solution

The fourth proportional to 81,967.48, 113,114.01 and 46,157.92 is: 63,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,967.48 : 113,114.01 = 46,157.92 : x
  2. Step 2: Convert to fraction form
    81,967.48/113,114.01 = 46,157.92/x
  3. Step 3: Cross multiply
    81,967.48x = 113,114.01 × 46,157.92
  4. Step 4: Simplify right side
    81,967.48x = 5,221,107,424.46
  5. Step 5: Solve for x
    x = 5,221,107,424.46/81,967.48
  6. Step 6: Final answer
    x = 63,697.30

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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.