Home / 76,973.11-106,222.57-43,438.87

Finding the Fourth Proportional to 76,973.11, 106,222.57 and 43,438.87

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Solution

The fourth proportional to 76,973.11, 106,222.57 and 43,438.87 is: 59,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,973.11 : 106,222.57 = 43,438.87 : x
  2. Step 2: Convert to fraction form
    76,973.11/106,222.57 = 43,438.87/x
  3. Step 3: Cross multiply
    76,973.11x = 106,222.57 × 43,438.87
  4. Step 4: Simplify right side
    76,973.11x = 4,614,188,409.30
  5. Step 5: Solve for x
    x = 4,614,188,409.30/76,973.11
  6. Step 6: Final answer
    x = 59,945.46

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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.