Home / 102,810.14-154,208.36-35,335.72

Finding the Fourth Proportional to 102,810.14, 154,208.36 and 35,335.72

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Solution

The fourth proportional to 102,810.14, 154,208.36 and 35,335.72 is: 53,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,810.14 : 154,208.36 = 35,335.72 : x
  2. Step 2: Convert to fraction form
    102,810.14/154,208.36 = 35,335.72/x
  3. Step 3: Cross multiply
    102,810.14x = 154,208.36 × 35,335.72
  4. Step 4: Simplify right side
    102,810.14x = 5,449,063,430.62
  5. Step 5: Solve for x
    x = 5,449,063,430.62/102,810.14
  6. Step 6: Final answer
    x = 53,001.23

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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.