Home / 82,210.14-123,149.70-37,775.16

Finding the Fourth Proportional to 82,210.14, 123,149.70 and 37,775.16

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Solution

The fourth proportional to 82,210.14, 123,149.70 and 37,775.16 is: 56,586.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,210.14 : 123,149.70 = 37,775.16 : x
  2. Step 2: Convert to fraction form
    82,210.14/123,149.70 = 37,775.16/x
  3. Step 3: Cross multiply
    82,210.14x = 123,149.70 × 37,775.16
  4. Step 4: Simplify right side
    82,210.14x = 4,651,999,621.45
  5. Step 5: Solve for x
    x = 4,651,999,621.45/82,210.14
  6. Step 6: Final answer
    x = 56,586.69

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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.