Home / 76,632.35-105,718.37-44,787.20

Finding the Fourth Proportional to 76,632.35, 105,718.37 and 44,787.20

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Solution

The fourth proportional to 76,632.35, 105,718.37 and 44,787.20 is: 61,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,632.35 : 105,718.37 = 44,787.20 : x
  2. Step 2: Convert to fraction form
    76,632.35/105,718.37 = 44,787.20/x
  3. Step 3: Cross multiply
    76,632.35x = 105,718.37 × 44,787.20
  4. Step 4: Simplify right side
    76,632.35x = 4,734,829,028.34
  5. Step 5: Solve for x
    x = 4,734,829,028.34/76,632.35
  6. Step 6: Final answer
    x = 61,786.30

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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.