Home / 85,179.35-117,549.93-47,456.03

Finding the Fourth Proportional to 85,179.35, 117,549.93 and 47,456.03

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Solution

The fourth proportional to 85,179.35, 117,549.93 and 47,456.03 is: 65,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,179.35 : 117,549.93 = 47,456.03 : x
  2. Step 2: Convert to fraction form
    85,179.35/117,549.93 = 47,456.03/x
  3. Step 3: Cross multiply
    85,179.35x = 117,549.93 × 47,456.03
  4. Step 4: Simplify right side
    85,179.35x = 5,578,452,179.55
  5. Step 5: Solve for x
    x = 5,578,452,179.55/85,179.35
  6. Step 6: Final answer
    x = 65,490.67

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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.