Home / 82,547.10-113,912.82-46,740.60

Finding the Fourth Proportional to 82,547.10, 113,912.82 and 46,740.60

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Solution

The fourth proportional to 82,547.10, 113,912.82 and 46,740.60 is: 64,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,547.10 : 113,912.82 = 46,740.60 : x
  2. Step 2: Convert to fraction form
    82,547.10/113,912.82 = 46,740.60/x
  3. Step 3: Cross multiply
    82,547.10x = 113,912.82 × 46,740.60
  4. Step 4: Simplify right side
    82,547.10x = 5,324,353,554.49
  5. Step 5: Solve for x
    x = 5,324,353,554.49/82,547.10
  6. Step 6: Final answer
    x = 64,500.79

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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.