Home / 76,491.15-105,596.18-47,826.73

Finding the Fourth Proportional to 76,491.15, 105,596.18 and 47,826.73

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Solution

The fourth proportional to 76,491.15, 105,596.18 and 47,826.73 is: 66,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,491.15 : 105,596.18 = 47,826.73 : x
  2. Step 2: Convert to fraction form
    76,491.15/105,596.18 = 47,826.73/x
  3. Step 3: Cross multiply
    76,491.15x = 105,596.18 × 47,826.73
  4. Step 4: Simplify right side
    76,491.15x = 5,050,319,989.89
  5. Step 5: Solve for x
    x = 5,050,319,989.89/76,491.15
  6. Step 6: Final answer
    x = 66,024.89

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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.