Home / 81,669.31-112,695.94-45,852.32

Finding the Fourth Proportional to 81,669.31, 112,695.94 and 45,852.32

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Solution

The fourth proportional to 81,669.31, 112,695.94 and 45,852.32 is: 63,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,669.31 : 112,695.94 = 45,852.32 : x
  2. Step 2: Convert to fraction form
    81,669.31/112,695.94 = 45,852.32/x
  3. Step 3: Cross multiply
    81,669.31x = 112,695.94 × 45,852.32
  4. Step 4: Simplify right side
    81,669.31x = 5,167,370,642.64
  5. Step 5: Solve for x
    x = 5,167,370,642.64/81,669.31
  6. Step 6: Final answer
    x = 63,271.88

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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.