Home / 85,074.24-117,409.26-49,264.89

Finding the Fourth Proportional to 85,074.24, 117,409.26 and 49,264.89

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Solution

The fourth proportional to 85,074.24, 117,409.26 and 49,264.89 is: 67,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,074.24 : 117,409.26 = 49,264.89 : x
  2. Step 2: Convert to fraction form
    85,074.24/117,409.26 = 49,264.89/x
  3. Step 3: Cross multiply
    85,074.24x = 117,409.26 × 49,264.89
  4. Step 4: Simplify right side
    85,074.24x = 5,784,154,278.88
  5. Step 5: Solve for x
    x = 5,784,154,278.88/85,074.24
  6. Step 6: Final answer
    x = 67,989.49

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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.