Home / 56,998.40-78,633.60-35,763.20

Finding the Fourth Proportional to 56,998.40, 78,633.60 and 35,763.20

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Solution

The fourth proportional to 56,998.40, 78,633.60 and 35,763.20 is: 49,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998.40 : 78,633.60 = 35,763.20 : x
  2. Step 2: Convert to fraction form
    56,998.40/78,633.60 = 35,763.20/x
  3. Step 3: Cross multiply
    56,998.40x = 78,633.60 × 35,763.20
  4. Step 4: Simplify right side
    56,998.40x = 2,812,189,163.52
  5. Step 5: Solve for x
    x = 2,812,189,163.52/56,998.40
  6. Step 6: Final answer
    x = 49,338.04

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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.