Home / 65,741.40-98,417.70-43,579.80

Finding the Fourth Proportional to 65,741.40, 98,417.70 and 43,579.80

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Solution

The fourth proportional to 65,741.40, 98,417.70 and 43,579.80 is: 65,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741.40 : 98,417.70 = 43,579.80 : x
  2. Step 2: Convert to fraction form
    65,741.40/98,417.70 = 43,579.80/x
  3. Step 3: Cross multiply
    65,741.40x = 98,417.70 × 43,579.80
  4. Step 4: Simplify right side
    65,741.40x = 4,289,023,682.46
  5. Step 5: Solve for x
    x = 4,289,023,682.46/65,741.40
  6. Step 6: Final answer
    x = 65,240.83

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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.