Home / 89,823.77-134,747.94-30,643.55

Finding the Fourth Proportional to 89,823.77, 134,747.94 and 30,643.55

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Solution

The fourth proportional to 89,823.77, 134,747.94 and 30,643.55 is: 45,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.77 : 134,747.94 = 30,643.55 : x
  2. Step 2: Convert to fraction form
    89,823.77/134,747.94 = 30,643.55/x
  3. Step 3: Cross multiply
    89,823.77x = 134,747.94 × 30,643.55
  4. Step 4: Simplify right side
    89,823.77x = 4,129,154,563.05
  5. Step 5: Solve for x
    x = 4,129,154,563.05/89,823.77
  6. Step 6: Final answer
    x = 45,969.51

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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.