Home / 89,933.86-124,112.75-51,705.81

Finding the Fourth Proportional to 89,933.86, 124,112.75 and 51,705.81

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Solution

The fourth proportional to 89,933.86, 124,112.75 and 51,705.81 is: 71,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,933.86 : 124,112.75 = 51,705.81 : x
  2. Step 2: Convert to fraction form
    89,933.86/124,112.75 = 51,705.81/x
  3. Step 3: Cross multiply
    89,933.86x = 124,112.75 × 51,705.81
  4. Step 4: Simplify right side
    89,933.86x = 6,417,350,011.55
  5. Step 5: Solve for x
    x = 6,417,350,011.55/89,933.86
  6. Step 6: Final answer
    x = 71,356.33

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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.