Home / 90,451.08-124,820.33-50,164.52

Finding the Fourth Proportional to 90,451.08, 124,820.33 and 50,164.52

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Solution

The fourth proportional to 90,451.08, 124,820.33 and 50,164.52 is: 69,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,451.08 : 124,820.33 = 50,164.52 : x
  2. Step 2: Convert to fraction form
    90,451.08/124,820.33 = 50,164.52/x
  3. Step 3: Cross multiply
    90,451.08x = 124,820.33 × 50,164.52
  4. Step 4: Simplify right side
    90,451.08x = 6,261,551,065.77
  5. Step 5: Solve for x
    x = 6,261,551,065.77/90,451.08
  6. Step 6: Final answer
    x = 69,225.83

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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.