Home / 76,930.17-106,163.73-42,474.93

Finding the Fourth Proportional to 76,930.17, 106,163.73 and 42,474.93

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Solution

The fourth proportional to 76,930.17, 106,163.73 and 42,474.93 is: 58,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,930.17 : 106,163.73 = 42,474.93 : x
  2. Step 2: Convert to fraction form
    76,930.17/106,163.73 = 42,474.93/x
  3. Step 3: Cross multiply
    76,930.17x = 106,163.73 × 42,474.93
  4. Step 4: Simplify right side
    76,930.17x = 4,509,297,000.29
  5. Step 5: Solve for x
    x = 4,509,297,000.29/76,930.17
  6. Step 6: Final answer
    x = 58,615.46

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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.