Home / 65,875.46-98,619.39-40,835.12

Finding the Fourth Proportional to 65,875.46, 98,619.39 and 40,835.12

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Solution

The fourth proportional to 65,875.46, 98,619.39 and 40,835.12 is: 61,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,875.46 : 98,619.39 = 40,835.12 : x
  2. Step 2: Convert to fraction form
    65,875.46/98,619.39 = 40,835.12/x
  3. Step 3: Cross multiply
    65,875.46x = 98,619.39 × 40,835.12
  4. Step 4: Simplify right side
    65,875.46x = 4,027,134,131.88
  5. Step 5: Solve for x
    x = 4,027,134,131.88/65,875.46
  6. Step 6: Final answer
    x = 61,132.54

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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.