Home / 63,109.92-87,090.48-34,428.36

Finding the Fourth Proportional to 63,109.92, 87,090.48 and 34,428.36

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Solution

The fourth proportional to 63,109.92, 87,090.48 and 34,428.36 is: 47,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,109.92 : 87,090.48 = 34,428.36 : x
  2. Step 2: Convert to fraction form
    63,109.92/87,090.48 = 34,428.36/x
  3. Step 3: Cross multiply
    63,109.92x = 87,090.48 × 34,428.36
  4. Step 4: Simplify right side
    63,109.92x = 2,998,382,398.01
  5. Step 5: Solve for x
    x = 2,998,382,398.01/63,109.92
  6. Step 6: Final answer
    x = 47,510.48

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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.