Home / 110,538.40-165,833.04-31,653.28

Finding the Fourth Proportional to 110,538.40, 165,833.04 and 31,653.28

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Solution

The fourth proportional to 110,538.40, 165,833.04 and 31,653.28 is: 47,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,538.40 : 165,833.04 = 31,653.28 : x
  2. Step 2: Convert to fraction form
    110,538.40/165,833.04 = 31,653.28/x
  3. Step 3: Cross multiply
    110,538.40x = 165,833.04 × 31,653.28
  4. Step 4: Simplify right side
    110,538.40x = 5,249,159,648.37
  5. Step 5: Solve for x
    x = 5,249,159,648.37/110,538.40
  6. Step 6: Final answer
    x = 47,487.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.