Home / 89,871.54-124,022.37-49,587.81

Finding the Fourth Proportional to 89,871.54, 124,022.37 and 49,587.81

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Solution

The fourth proportional to 89,871.54, 124,022.37 and 49,587.81 is: 68,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,871.54 : 124,022.37 = 49,587.81 : x
  2. Step 2: Convert to fraction form
    89,871.54/124,022.37 = 49,587.81/x
  3. Step 3: Cross multiply
    89,871.54x = 124,022.37 × 49,587.81
  4. Step 4: Simplify right side
    89,871.54x = 6,149,997,719.31
  5. Step 5: Solve for x
    x = 6,149,997,719.31/89,871.54
  6. Step 6: Final answer
    x = 68,430.98

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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.