Home / 77,417.43-106,712.58-58,268.41

Finding the Fourth Proportional to 77,417.43, 106,712.58 and 58,268.41

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Solution

The fourth proportional to 77,417.43, 106,712.58 and 58,268.41 is: 80,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,417.43 : 106,712.58 = 58,268.41 : x
  2. Step 2: Convert to fraction form
    77,417.43/106,712.58 = 58,268.41/x
  3. Step 3: Cross multiply
    77,417.43x = 106,712.58 × 58,268.41
  4. Step 4: Simplify right side
    77,417.43x = 6,217,972,363.60
  5. Step 5: Solve for x
    x = 6,217,972,363.60/77,417.43
  6. Step 6: Final answer
    x = 80,317.47

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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.