Home / 62,787.50-86,669.49-41,573.60

Finding the Fourth Proportional to 62,787.50, 86,669.49 and 41,573.60

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Solution

The fourth proportional to 62,787.50, 86,669.49 and 41,573.60 is: 57,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787.50 : 86,669.49 = 41,573.60 : x
  2. Step 2: Convert to fraction form
    62,787.50/86,669.49 = 41,573.60/x
  3. Step 3: Cross multiply
    62,787.50x = 86,669.49 × 41,573.60
  4. Step 4: Simplify right side
    62,787.50x = 3,603,162,276.12
  5. Step 5: Solve for x
    x = 3,603,162,276.12/62,787.50
  6. Step 6: Final answer
    x = 57,386.62

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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.