Home / 77,022.80-106,287.66-43,024.54

Finding the Fourth Proportional to 77,022.80, 106,287.66 and 43,024.54

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Solution

The fourth proportional to 77,022.80, 106,287.66 and 43,024.54 is: 59,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,022.80 : 106,287.66 = 43,024.54 : x
  2. Step 2: Convert to fraction form
    77,022.80/106,287.66 = 43,024.54/x
  3. Step 3: Cross multiply
    77,022.80x = 106,287.66 × 43,024.54
  4. Step 4: Simplify right side
    77,022.80x = 4,572,977,679.18
  5. Step 5: Solve for x
    x = 4,572,977,679.18/77,022.80
  6. Step 6: Final answer
    x = 59,371.74

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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.