Home / 81,525.74-112,457.74-51,263.10

Finding the Fourth Proportional to 81,525.74, 112,457.74 and 51,263.10

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Solution

The fourth proportional to 81,525.74, 112,457.74 and 51,263.10 is: 70,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,525.74 : 112,457.74 = 51,263.10 : x
  2. Step 2: Convert to fraction form
    81,525.74/112,457.74 = 51,263.10/x
  3. Step 3: Cross multiply
    81,525.74x = 112,457.74 × 51,263.10
  4. Step 4: Simplify right side
    81,525.74x = 5,764,932,371.39
  5. Step 5: Solve for x
    x = 5,764,932,371.39/81,525.74
  6. Step 6: Final answer
    x = 70,713.03

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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.