Home / 85,277.50-117,646.64-62,577.04

Finding the Fourth Proportional to 85,277.50, 117,646.64 and 62,577.04

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Solution

The fourth proportional to 85,277.50, 117,646.64 and 62,577.04 is: 86,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,277.50 : 117,646.64 = 62,577.04 : x
  2. Step 2: Convert to fraction form
    85,277.50/117,646.64 = 62,577.04/x
  3. Step 3: Cross multiply
    85,277.50x = 117,646.64 × 62,577.04
  4. Step 4: Simplify right side
    85,277.50x = 7,361,978,497.15
  5. Step 5: Solve for x
    x = 7,361,978,497.15/85,277.50
  6. Step 6: Final answer
    x = 86,329.67

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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.