Home / 77,087.22-106,381.10-45,256.65

Finding the Fourth Proportional to 77,087.22, 106,381.10 and 45,256.65

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Solution

The fourth proportional to 77,087.22, 106,381.10 and 45,256.65 is: 62,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.22 : 106,381.10 = 45,256.65 : x
  2. Step 2: Convert to fraction form
    77,087.22/106,381.10 = 45,256.65/x
  3. Step 3: Cross multiply
    77,087.22x = 106,381.10 × 45,256.65
  4. Step 4: Simplify right side
    77,087.22x = 4,814,451,983.03
  5. Step 5: Solve for x
    x = 4,814,451,983.03/77,087.22
  6. Step 6: Final answer
    x = 62,454.61

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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.