Home / 82,500.85-123,751.28-57,569.05

Finding the Fourth Proportional to 82,500.85, 123,751.28 and 57,569.05

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Solution

The fourth proportional to 82,500.85, 123,751.28 and 57,569.05 is: 86,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,500.85 : 123,751.28 = 57,569.05 : x
  2. Step 2: Convert to fraction form
    82,500.85/123,751.28 = 57,569.05/x
  3. Step 3: Cross multiply
    82,500.85x = 123,751.28 × 57,569.05
  4. Step 4: Simplify right side
    82,500.85x = 7,124,243,338.04
  5. Step 5: Solve for x
    x = 7,124,243,338.04/82,500.85
  6. Step 6: Final answer
    x = 86,353.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.