Home / 75,133.69-112,521.66-43,477.05

Finding the Fourth Proportional to 75,133.69, 112,521.66 and 43,477.05

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Solution

The fourth proportional to 75,133.69, 112,521.66 and 43,477.05 is: 65,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.69 : 112,521.66 = 43,477.05 : x
  2. Step 2: Convert to fraction form
    75,133.69/112,521.66 = 43,477.05/x
  3. Step 3: Cross multiply
    75,133.69x = 112,521.66 × 43,477.05
  4. Step 4: Simplify right side
    75,133.69x = 4,892,110,096.82
  5. Step 5: Solve for x
    x = 4,892,110,096.82/75,133.69
  6. Step 6: Final answer
    x = 65,112.07

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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.