Home / 90,547.56-135,847.26-43,826.76

Finding the Fourth Proportional to 90,547.56, 135,847.26 and 43,826.76

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Solution

The fourth proportional to 90,547.56, 135,847.26 and 43,826.76 is: 65,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,547.56 : 135,847.26 = 43,826.76 : x
  2. Step 2: Convert to fraction form
    90,547.56/135,847.26 = 43,826.76/x
  3. Step 3: Cross multiply
    90,547.56x = 135,847.26 × 43,826.76
  4. Step 4: Simplify right side
    90,547.56x = 5,953,745,260.68
  5. Step 5: Solve for x
    x = 5,953,745,260.68/90,547.56
  6. Step 6: Final answer
    x = 65,752.69

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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.