Home / 102,021.48-152,902.56-57,673.08

Finding the Fourth Proportional to 102,021.48, 152,902.56 and 57,673.08

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Solution

The fourth proportional to 102,021.48, 152,902.56 and 57,673.08 is: 86,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,021.48 : 152,902.56 = 57,673.08 : x
  2. Step 2: Convert to fraction form
    102,021.48/152,902.56 = 57,673.08/x
  3. Step 3: Cross multiply
    102,021.48x = 152,902.56 × 57,673.08
  4. Step 4: Simplify right side
    102,021.48x = 8,818,361,575.08
  5. Step 5: Solve for x
    x = 8,818,361,575.08/102,021.48
  6. Step 6: Final answer
    x = 86,436.32

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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.