Home / 76,729.18-105,889.21-44,464.90

Finding the Fourth Proportional to 76,729.18, 105,889.21 and 44,464.90

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Solution

The fourth proportional to 76,729.18, 105,889.21 and 44,464.90 is: 61,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,729.18 : 105,889.21 = 44,464.90 : x
  2. Step 2: Convert to fraction form
    76,729.18/105,889.21 = 44,464.90/x
  3. Step 3: Cross multiply
    76,729.18x = 105,889.21 × 44,464.90
  4. Step 4: Simplify right side
    76,729.18x = 4,708,353,133.73
  5. Step 5: Solve for x
    x = 4,708,353,133.73/76,729.18
  6. Step 6: Final answer
    x = 61,363.27

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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.