Home / 82,639.96-123,975.90-35,254.24

Finding the Fourth Proportional to 82,639.96, 123,975.90 and 35,254.24

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Solution

The fourth proportional to 82,639.96, 123,975.90 and 35,254.24 is: 52,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,639.96 : 123,975.90 = 35,254.24 : x
  2. Step 2: Convert to fraction form
    82,639.96/123,975.90 = 35,254.24/x
  3. Step 3: Cross multiply
    82,639.96x = 123,975.90 × 35,254.24
  4. Step 4: Simplify right side
    82,639.96x = 4,370,676,132.82
  5. Step 5: Solve for x
    x = 4,370,676,132.82/82,639.96
  6. Step 6: Final answer
    x = 52,888.17

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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.