Home / 75,612.54-104,321.82-42,901.57

Finding the Fourth Proportional to 75,612.54, 104,321.82 and 42,901.57

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Solution

The fourth proportional to 75,612.54, 104,321.82 and 42,901.57 is: 59,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,612.54 : 104,321.82 = 42,901.57 : x
  2. Step 2: Convert to fraction form
    75,612.54/104,321.82 = 42,901.57/x
  3. Step 3: Cross multiply
    75,612.54x = 104,321.82 × 42,901.57
  4. Step 4: Simplify right side
    75,612.54x = 4,475,569,863.26
  5. Step 5: Solve for x
    x = 4,475,569,863.26/75,612.54
  6. Step 6: Final answer
    x = 59,190.84

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1.5x scale

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.