Home / 75,446.84-104,077.60-51,249.05

Finding the Fourth Proportional to 75,446.84, 104,077.60 and 51,249.05

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Solution

The fourth proportional to 75,446.84, 104,077.60 and 51,249.05 is: 70,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,446.84 : 104,077.60 = 51,249.05 : x
  2. Step 2: Convert to fraction form
    75,446.84/104,077.60 = 51,249.05/x
  3. Step 3: Cross multiply
    75,446.84x = 104,077.60 × 51,249.05
  4. Step 4: Simplify right side
    75,446.84x = 5,333,877,998.16
  5. Step 5: Solve for x
    x = 5,333,877,998.16/75,446.84
  6. Step 6: Final answer
    x = 70,697.17

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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.