Home / 110,038.47-165,057.72-31,153.38

Finding the Fourth Proportional to 110,038.47, 165,057.72 and 31,153.38

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Solution

The fourth proportional to 110,038.47, 165,057.72 and 31,153.38 is: 46,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,038.47 : 165,057.72 = 31,153.38 : x
  2. Step 2: Convert to fraction form
    110,038.47/165,057.72 = 31,153.38/x
  3. Step 3: Cross multiply
    110,038.47x = 165,057.72 × 31,153.38
  4. Step 4: Simplify right side
    110,038.47x = 5,142,105,873.09
  5. Step 5: Solve for x
    x = 5,142,105,873.09/110,038.47
  6. Step 6: Final answer
    x = 46,730.07

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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.