Home / 90,354.06-135,655.22-46,010.61

Finding the Fourth Proportional to 90,354.06, 135,655.22 and 46,010.61

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Solution

The fourth proportional to 90,354.06, 135,655.22 and 46,010.61 is: 69,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,354.06 : 135,655.22 = 46,010.61 : x
  2. Step 2: Convert to fraction form
    90,354.06/135,655.22 = 46,010.61/x
  3. Step 3: Cross multiply
    90,354.06x = 135,655.22 × 46,010.61
  4. Step 4: Simplify right side
    90,354.06x = 6,241,579,536.91
  5. Step 5: Solve for x
    x = 6,241,579,536.91/90,354.06
  6. Step 6: Final answer
    x = 69,079.13

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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.