Home / 77,057.23-106,328.28-43,061.44

Finding the Fourth Proportional to 77,057.23, 106,328.28 and 43,061.44

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Solution

The fourth proportional to 77,057.23, 106,328.28 and 43,061.44 is: 59,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,057.23 : 106,328.28 = 43,061.44 : x
  2. Step 2: Convert to fraction form
    77,057.23/106,328.28 = 43,061.44/x
  3. Step 3: Cross multiply
    77,057.23x = 106,328.28 × 43,061.44
  4. Step 4: Simplify right side
    77,057.23x = 4,578,648,849.52
  5. Step 5: Solve for x
    x = 4,578,648,849.52/77,057.23
  6. Step 6: Final answer
    x = 59,418.81

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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.