Home / 76,618.32-105,697.80-44,788.56

Finding the Fourth Proportional to 76,618.32, 105,697.80 and 44,788.56

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Solution

The fourth proportional to 76,618.32, 105,697.80 and 44,788.56 is: 61,787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,618.32 : 105,697.80 = 44,788.56 : x
  2. Step 2: Convert to fraction form
    76,618.32/105,697.80 = 44,788.56/x
  3. Step 3: Cross multiply
    76,618.32x = 105,697.80 × 44,788.56
  4. Step 4: Simplify right side
    76,618.32x = 4,734,052,257.17
  5. Step 5: Solve for x
    x = 4,734,052,257.17/76,618.32
  6. Step 6: Final answer
    x = 61,787.47

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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.