Home / 85,259.40-117,627.12-49,429.68

Finding the Fourth Proportional to 85,259.40, 117,627.12 and 49,429.68

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Solution

The fourth proportional to 85,259.40, 117,627.12 and 49,429.68 is: 68,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,259.40 : 117,627.12 = 49,429.68 : x
  2. Step 2: Convert to fraction form
    85,259.40/117,627.12 = 49,429.68/x
  3. Step 3: Cross multiply
    85,259.40x = 117,627.12 × 49,429.68
  4. Step 4: Simplify right side
    85,259.40x = 5,814,270,900.92
  5. Step 5: Solve for x
    x = 5,814,270,900.92/85,259.40
  6. Step 6: Final answer
    x = 68,195.07

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1.5x scale

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.