Home / 89,741.84-134,614.92-42,943.28

Finding the Fourth Proportional to 89,741.84, 134,614.92 and 42,943.28

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Solution

The fourth proportional to 89,741.84, 134,614.92 and 42,943.28 is: 64,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,741.84 : 134,614.92 = 42,943.28 : x
  2. Step 2: Convert to fraction form
    89,741.84/134,614.92 = 42,943.28/x
  3. Step 3: Cross multiply
    89,741.84x = 134,614.92 × 42,943.28
  4. Step 4: Simplify right side
    89,741.84x = 5,780,806,201.74
  5. Step 5: Solve for x
    x = 5,780,806,201.74/89,741.84
  6. Step 6: Final answer
    x = 64,415.95

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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.