Home / 89,277.09-133,850.02-42,562.77

Finding the Fourth Proportional to 89,277.09, 133,850.02 and 42,562.77

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Solution

The fourth proportional to 89,277.09, 133,850.02 and 42,562.77 is: 63,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,277.09 : 133,850.02 = 42,562.77 : x
  2. Step 2: Convert to fraction form
    89,277.09/133,850.02 = 42,562.77/x
  3. Step 3: Cross multiply
    89,277.09x = 133,850.02 × 42,562.77
  4. Step 4: Simplify right side
    89,277.09x = 5,697,027,087.22
  5. Step 5: Solve for x
    x = 5,697,027,087.22/89,277.09
  6. Step 6: Final answer
    x = 63,812.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.