Home / 82,133.80-113,344.58-44,407.72

Finding the Fourth Proportional to 82,133.80, 113,344.58 and 44,407.72

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Solution

The fourth proportional to 82,133.80, 113,344.58 and 44,407.72 is: 61,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133.80 : 113,344.58 = 44,407.72 : x
  2. Step 2: Convert to fraction form
    82,133.80/113,344.58 = 44,407.72/x
  3. Step 3: Cross multiply
    82,133.80x = 113,344.58 × 44,407.72
  4. Step 4: Simplify right side
    82,133.80x = 5,033,374,372.16
  5. Step 5: Solve for x
    x = 5,033,374,372.16/82,133.80
  6. Step 6: Final answer
    x = 61,282.62

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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.