Home / 85,132.13-117,483.15-46,892.54

Finding the Fourth Proportional to 85,132.13, 117,483.15 and 46,892.54

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Solution

The fourth proportional to 85,132.13, 117,483.15 and 46,892.54 is: 64,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.13 : 117,483.15 = 46,892.54 : x
  2. Step 2: Convert to fraction form
    85,132.13/117,483.15 = 46,892.54/x
  3. Step 3: Cross multiply
    85,132.13x = 117,483.15 × 46,892.54
  4. Step 4: Simplify right side
    85,132.13x = 5,509,082,723.29
  5. Step 5: Solve for x
    x = 5,509,082,723.29/85,132.13
  6. Step 6: Final answer
    x = 64,712.15

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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.