Home / 84,346.93-126,457.89-51,059.12

Finding the Fourth Proportional to 84,346.93, 126,457.89 and 51,059.12

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Solution

The fourth proportional to 84,346.93, 126,457.89 and 51,059.12 is: 76,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,346.93 : 126,457.89 = 51,059.12 : x
  2. Step 2: Convert to fraction form
    84,346.93/126,457.89 = 51,059.12/x
  3. Step 3: Cross multiply
    84,346.93x = 126,457.89 × 51,059.12
  4. Step 4: Simplify right side
    84,346.93x = 6,456,828,043.90
  5. Step 5: Solve for x
    x = 6,456,828,043.90/84,346.93
  6. Step 6: Final answer
    x = 76,550.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.