Home / 66,004.60-98,861.10-51,165.40

Finding the Fourth Proportional to 66,004.60, 98,861.10 and 51,165.40

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Solution

The fourth proportional to 66,004.60, 98,861.10 and 51,165.40 is: 76,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.60 : 98,861.10 = 51,165.40 : x
  2. Step 2: Convert to fraction form
    66,004.60/98,861.10 = 51,165.40/x
  3. Step 3: Cross multiply
    66,004.60x = 98,861.10 × 51,165.40
  4. Step 4: Simplify right side
    66,004.60x = 5,058,267,725.94
  5. Step 5: Solve for x
    x = 5,058,267,725.94/66,004.60
  6. Step 6: Final answer
    x = 76,635.08

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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.