Home / 75,124.98-112,645.38-51,459.27

Finding the Fourth Proportional to 75,124.98, 112,645.38 and 51,459.27

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Solution

The fourth proportional to 75,124.98, 112,645.38 and 51,459.27 is: 77,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124.98 : 112,645.38 = 51,459.27 : x
  2. Step 2: Convert to fraction form
    75,124.98/112,645.38 = 51,459.27/x
  3. Step 3: Cross multiply
    75,124.98x = 112,645.38 × 51,459.27
  4. Step 4: Simplify right side
    75,124.98x = 5,796,649,023.67
  5. Step 5: Solve for x
    x = 5,796,649,023.67/75,124.98
  6. Step 6: Final answer
    x = 77,160.07

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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.