Home / 68,416.35-102,624.51-49,814.76

Finding the Fourth Proportional to 68,416.35, 102,624.51 and 49,814.76

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Solution

The fourth proportional to 68,416.35, 102,624.51 and 49,814.76 is: 74,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,416.35 : 102,624.51 = 49,814.76 : x
  2. Step 2: Convert to fraction form
    68,416.35/102,624.51 = 49,814.76/x
  3. Step 3: Cross multiply
    68,416.35x = 102,624.51 × 49,814.76
  4. Step 4: Simplify right side
    68,416.35x = 5,112,215,335.77
  5. Step 5: Solve for x
    x = 5,112,215,335.77/68,416.35
  6. Step 6: Final answer
    x = 74,722.13

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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.