Home / 105,774.90-145,982.28-60,442.48

Finding the Fourth Proportional to 105,774.90, 145,982.28 and 60,442.48

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Solution

The fourth proportional to 105,774.90, 145,982.28 and 60,442.48 is: 83,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,774.90 : 145,982.28 = 60,442.48 : x
  2. Step 2: Convert to fraction form
    105,774.90/145,982.28 = 60,442.48/x
  3. Step 3: Cross multiply
    105,774.90x = 145,982.28 × 60,442.48
  4. Step 4: Simplify right side
    105,774.90x = 8,823,531,039.25
  5. Step 5: Solve for x
    x = 8,823,531,039.25/105,774.90
  6. Step 6: Final answer
    x = 83,418.00

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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.