Home / 89,867.10-124,017.03-49,580.86

Finding the Fourth Proportional to 89,867.10, 124,017.03 and 49,580.86

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Solution

The fourth proportional to 89,867.10, 124,017.03 and 49,580.86 is: 68,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,867.10 : 124,017.03 = 49,580.86 : x
  2. Step 2: Convert to fraction form
    89,867.10/124,017.03 = 49,580.86/x
  3. Step 3: Cross multiply
    89,867.10x = 124,017.03 × 49,580.86
  4. Step 4: Simplify right side
    89,867.10x = 6,148,871,002.05
  5. Step 5: Solve for x
    x = 6,148,871,002.05/89,867.10
  6. Step 6: Final answer
    x = 68,421.83

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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.