Home / 81,804.30-112,887.05-45,996.36

Finding the Fourth Proportional to 81,804.30, 112,887.05 and 45,996.36

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Solution

The fourth proportional to 81,804.30, 112,887.05 and 45,996.36 is: 63,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,804.30 : 112,887.05 = 45,996.36 : x
  2. Step 2: Convert to fraction form
    81,804.30/112,887.05 = 45,996.36/x
  3. Step 3: Cross multiply
    81,804.30x = 112,887.05 × 45,996.36
  4. Step 4: Simplify right side
    81,804.30x = 5,192,393,161.16
  5. Step 5: Solve for x
    x = 5,192,393,161.16/81,804.30
  6. Step 6: Final answer
    x = 63,473.35

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1.5x scale

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.