Home / 76,945.34-106,232.72-59,005.87

Finding the Fourth Proportional to 76,945.34, 106,232.72 and 59,005.87

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Solution

The fourth proportional to 76,945.34, 106,232.72 and 59,005.87 is: 81,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.34 : 106,232.72 = 59,005.87 : x
  2. Step 2: Convert to fraction form
    76,945.34/106,232.72 = 59,005.87/x
  3. Step 3: Cross multiply
    76,945.34x = 106,232.72 × 59,005.87
  4. Step 4: Simplify right side
    76,945.34x = 6,268,353,505.46
  5. Step 5: Solve for x
    x = 6,268,353,505.46/76,945.34
  6. Step 6: Final answer
    x = 81,465.02

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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.