Home / 90,547.22-135,954.12-50,644.38

Finding the Fourth Proportional to 90,547.22, 135,954.12 and 50,644.38

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Solution

The fourth proportional to 90,547.22, 135,954.12 and 50,644.38 is: 76,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,547.22 : 135,954.12 = 50,644.38 : x
  2. Step 2: Convert to fraction form
    90,547.22/135,954.12 = 50,644.38/x
  3. Step 3: Cross multiply
    90,547.22x = 135,954.12 × 50,644.38
  4. Step 4: Simplify right side
    90,547.22x = 6,885,312,115.85
  5. Step 5: Solve for x
    x = 6,885,312,115.85/90,547.22
  6. Step 6: Final answer
    x = 76,041.12

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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.