Home / 75,711.69-104,370.05-48,484.76

Finding the Fourth Proportional to 75,711.69, 104,370.05 and 48,484.76

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Solution

The fourth proportional to 75,711.69, 104,370.05 and 48,484.76 is: 66,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,711.69 : 104,370.05 = 48,484.76 : x
  2. Step 2: Convert to fraction form
    75,711.69/104,370.05 = 48,484.76/x
  3. Step 3: Cross multiply
    75,711.69x = 104,370.05 × 48,484.76
  4. Step 4: Simplify right side
    75,711.69x = 5,060,356,424.80
  5. Step 5: Solve for x
    x = 5,060,356,424.80/75,711.69
  6. Step 6: Final answer
    x = 66,837.19

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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.