Home / 81,906.12-113,034.08-46,098.45

Finding the Fourth Proportional to 81,906.12, 113,034.08 and 46,098.45

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Solution

The fourth proportional to 81,906.12, 113,034.08 and 46,098.45 is: 63,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,906.12 : 113,034.08 = 46,098.45 : x
  2. Step 2: Convert to fraction form
    81,906.12/113,034.08 = 46,098.45/x
  3. Step 3: Cross multiply
    81,906.12x = 113,034.08 × 46,098.45
  4. Step 4: Simplify right side
    81,906.12x = 5,210,696,000.42
  5. Step 5: Solve for x
    x = 5,210,696,000.42/81,906.12
  6. Step 6: Final answer
    x = 63,617.91

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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.