Home / 81,322.14-112,227.06-45,512.06

Finding the Fourth Proportional to 81,322.14, 112,227.06 and 45,512.06

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Solution

The fourth proportional to 81,322.14, 112,227.06 and 45,512.06 is: 62,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,322.14 : 112,227.06 = 45,512.06 : x
  2. Step 2: Convert to fraction form
    81,322.14/112,227.06 = 45,512.06/x
  3. Step 3: Cross multiply
    81,322.14x = 112,227.06 × 45,512.06
  4. Step 4: Simplify right side
    81,322.14x = 5,107,684,127.21
  5. Step 5: Solve for x
    x = 5,107,684,127.21/81,322.14
  6. Step 6: Final answer
    x = 62,808.04

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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.