Home / 71,430.06-98,576.70-40,805.85

Finding the Fourth Proportional to 71,430.06, 98,576.70 and 40,805.85

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Solution

The fourth proportional to 71,430.06, 98,576.70 and 40,805.85 is: 56,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,430.06 : 98,576.70 = 40,805.85 : x
  2. Step 2: Convert to fraction form
    71,430.06/98,576.70 = 40,805.85/x
  3. Step 3: Cross multiply
    71,430.06x = 98,576.70 × 40,805.85
  4. Step 4: Simplify right side
    71,430.06x = 4,022,506,033.70
  5. Step 5: Solve for x
    x = 4,022,506,033.70/71,430.06
  6. Step 6: Final answer
    x = 56,313.91

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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.