Home / 82,147.64-113,363.78-44,421.89

Finding the Fourth Proportional to 82,147.64, 113,363.78 and 44,421.89

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Solution

The fourth proportional to 82,147.64, 113,363.78 and 44,421.89 is: 61,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,147.64 : 113,363.78 = 44,421.89 : x
  2. Step 2: Convert to fraction form
    82,147.64/113,363.78 = 44,421.89/x
  3. Step 3: Cross multiply
    82,147.64x = 113,363.78 × 44,421.89
  4. Step 4: Simplify right side
    82,147.64x = 5,035,832,576.22
  5. Step 5: Solve for x
    x = 5,035,832,576.22/82,147.64
  6. Step 6: Final answer
    x = 61,302.22

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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.