Home / 84,455.07-126,430.05-51,074.11

Finding the Fourth Proportional to 84,455.07, 126,430.05 and 51,074.11

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Solution

The fourth proportional to 84,455.07, 126,430.05 and 51,074.11 is: 76,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455.07 : 126,430.05 = 51,074.11 : x
  2. Step 2: Convert to fraction form
    84,455.07/126,430.05 = 51,074.11/x
  3. Step 3: Cross multiply
    84,455.07x = 126,430.05 × 51,074.11
  4. Step 4: Simplify right side
    84,455.07x = 6,457,302,025.63
  5. Step 5: Solve for x
    x = 6,457,302,025.63/84,455.07
  6. Step 6: Final answer
    x = 76,458.43

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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.