Home / 82,288.35-113,577.12-58,422.51

Finding the Fourth Proportional to 82,288.35, 113,577.12 and 58,422.51

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Solution

The fourth proportional to 82,288.35, 113,577.12 and 58,422.51 is: 80,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,288.35 : 113,577.12 = 58,422.51 : x
  2. Step 2: Convert to fraction form
    82,288.35/113,577.12 = 58,422.51/x
  3. Step 3: Cross multiply
    82,288.35x = 113,577.12 × 58,422.51
  4. Step 4: Simplify right side
    82,288.35x = 6,635,460,428.97
  5. Step 5: Solve for x
    x = 6,635,460,428.97/82,288.35
  6. Step 6: Final answer
    x = 80,636.69

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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.