Home / 102,456.48-153,647.75-43,296.72

Finding the Fourth Proportional to 102,456.48, 153,647.75 and 43,296.72

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Solution

The fourth proportional to 102,456.48, 153,647.75 and 43,296.72 is: 64,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,456.48 : 153,647.75 = 43,296.72 : x
  2. Step 2: Convert to fraction form
    102,456.48/153,647.75 = 43,296.72/x
  3. Step 3: Cross multiply
    102,456.48x = 153,647.75 × 43,296.72
  4. Step 4: Simplify right side
    102,456.48x = 6,652,443,610.38
  5. Step 5: Solve for x
    x = 6,652,443,610.38/102,456.48
  6. Step 6: Final answer
    x = 64,929.46

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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.