Home / 81,904.18-113,009.07-46,081.12

Finding the Fourth Proportional to 81,904.18, 113,009.07 and 46,081.12

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Solution

The fourth proportional to 81,904.18, 113,009.07 and 46,081.12 is: 63,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,904.18 : 113,009.07 = 46,081.12 : x
  2. Step 2: Convert to fraction form
    81,904.18/113,009.07 = 46,081.12/x
  3. Step 3: Cross multiply
    81,904.18x = 113,009.07 × 46,081.12
  4. Step 4: Simplify right side
    81,904.18x = 5,207,584,515.76
  5. Step 5: Solve for x
    x = 5,207,584,515.76/81,904.18
  6. Step 6: Final answer
    x = 63,581.43

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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.