Home / 51,225.98-76,438.30-45,906.79

Finding the Fourth Proportional to 51,225.98, 76,438.30 and 45,906.79

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Solution

The fourth proportional to 51,225.98, 76,438.30 and 45,906.79 is: 68,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.98 : 76,438.30 = 45,906.79 : x
  2. Step 2: Convert to fraction form
    51,225.98/76,438.30 = 45,906.79/x
  3. Step 3: Cross multiply
    51,225.98x = 76,438.30 × 45,906.79
  4. Step 4: Simplify right side
    51,225.98x = 3,509,036,898.93
  5. Step 5: Solve for x
    x = 3,509,036,898.93/51,225.98
  6. Step 6: Final answer
    x = 68,501.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.