Home / 76,607.32-105,718.64-44,769.88

Finding the Fourth Proportional to 76,607.32, 105,718.64 and 44,769.88

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Solution

The fourth proportional to 76,607.32, 105,718.64 and 44,769.88 is: 61,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,607.32 : 105,718.64 = 44,769.88 : x
  2. Step 2: Convert to fraction form
    76,607.32/105,718.64 = 44,769.88/x
  3. Step 3: Cross multiply
    76,607.32x = 105,718.64 × 44,769.88
  4. Step 4: Simplify right side
    76,607.32x = 4,733,010,826.56
  5. Step 5: Solve for x
    x = 4,733,010,826.56/76,607.32
  6. Step 6: Final answer
    x = 61,782.75

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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.