Home / 89,099.27-122,956.95-53,289.28

Finding the Fourth Proportional to 89,099.27, 122,956.95 and 53,289.28

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Solution

The fourth proportional to 89,099.27, 122,956.95 and 53,289.28 is: 73,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,099.27 : 122,956.95 = 53,289.28 : x
  2. Step 2: Convert to fraction form
    89,099.27/122,956.95 = 53,289.28/x
  3. Step 3: Cross multiply
    89,099.27x = 122,956.95 × 53,289.28
  4. Step 4: Simplify right side
    89,099.27x = 6,552,287,336.50
  5. Step 5: Solve for x
    x = 6,552,287,336.50/89,099.27
  6. Step 6: Final answer
    x = 73,539.18

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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.