Home / 82,130.85-113,340.33-44,405.10

Finding the Fourth Proportional to 82,130.85, 113,340.33 and 44,405.10

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Solution

The fourth proportional to 82,130.85, 113,340.33 and 44,405.10 is: 61,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.85 : 113,340.33 = 44,405.10 : x
  2. Step 2: Convert to fraction form
    82,130.85/113,340.33 = 44,405.10/x
  3. Step 3: Cross multiply
    82,130.85x = 113,340.33 × 44,405.10
  4. Step 4: Simplify right side
    82,130.85x = 5,032,888,687.68
  5. Step 5: Solve for x
    x = 5,032,888,687.68/82,130.85
  6. Step 6: Final answer
    x = 61,278.91

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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.