Home / 89,030.18-122,867.57-51,306.86

Finding the Fourth Proportional to 89,030.18, 122,867.57 and 51,306.86

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Solution

The fourth proportional to 89,030.18, 122,867.57 and 51,306.86 is: 70,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,030.18 : 122,867.57 = 51,306.86 : x
  2. Step 2: Convert to fraction form
    89,030.18/122,867.57 = 51,306.86/x
  3. Step 3: Cross multiply
    89,030.18x = 122,867.57 × 51,306.86
  4. Step 4: Simplify right side
    89,030.18x = 6,303,949,212.53
  5. Step 5: Solve for x
    x = 6,303,949,212.53/89,030.18
  6. Step 6: Final answer
    x = 70,806.88

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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.