Home / 89,098.77-122,956.26-53,288.78

Finding the Fourth Proportional to 89,098.77, 122,956.26 and 53,288.78

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Solution

The fourth proportional to 89,098.77, 122,956.26 and 53,288.78 is: 73,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,098.77 : 122,956.26 = 53,288.78 : x
  2. Step 2: Convert to fraction form
    89,098.77/122,956.26 = 53,288.78/x
  3. Step 3: Cross multiply
    89,098.77x = 122,956.26 × 53,288.78
  4. Step 4: Simplify right side
    89,098.77x = 6,552,189,088.76
  5. Step 5: Solve for x
    x = 6,552,189,088.76/89,098.77
  6. Step 6: Final answer
    x = 73,538.49

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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.