Home / 85,992.48-129,025.44-46,503.36

Finding the Fourth Proportional to 85,992.48, 129,025.44 and 46,503.36

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Solution

The fourth proportional to 85,992.48, 129,025.44 and 46,503.36 is: 69,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,992.48 : 129,025.44 = 46,503.36 : x
  2. Step 2: Convert to fraction form
    85,992.48/129,025.44 = 46,503.36/x
  3. Step 3: Cross multiply
    85,992.48x = 129,025.44 × 46,503.36
  4. Step 4: Simplify right side
    85,992.48x = 6,000,116,485.48
  5. Step 5: Solve for x
    x = 6,000,116,485.48/85,992.48
  6. Step 6: Final answer
    x = 69,774.90

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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.