Home / 76,764.64-105,942.88-44,931.68

Finding the Fourth Proportional to 76,764.64, 105,942.88 and 44,931.68

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Solution

The fourth proportional to 76,764.64, 105,942.88 and 44,931.68 is: 62,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,764.64 : 105,942.88 = 44,931.68 : x
  2. Step 2: Convert to fraction form
    76,764.64/105,942.88 = 44,931.68/x
  3. Step 3: Cross multiply
    76,764.64x = 105,942.88 × 44,931.68
  4. Step 4: Simplify right side
    76,764.64x = 4,760,191,582.44
  5. Step 5: Solve for x
    x = 4,760,191,582.44/76,764.64
  6. Step 6: Final answer
    x = 62,010.21

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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.