Home / 81,204.08-112,054.44-45,389.36

Finding the Fourth Proportional to 81,204.08, 112,054.44 and 45,389.36

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Solution

The fourth proportional to 81,204.08, 112,054.44 and 45,389.36 is: 62,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,204.08 : 112,054.44 = 45,389.36 : x
  2. Step 2: Convert to fraction form
    81,204.08/112,054.44 = 45,389.36/x
  3. Step 3: Cross multiply
    81,204.08x = 112,054.44 × 45,389.36
  4. Step 4: Simplify right side
    81,204.08x = 5,086,079,316.76
  5. Step 5: Solve for x
    x = 5,086,079,316.76/81,204.08
  6. Step 6: Final answer
    x = 62,633.30

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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.