Home / 89,530.56-134,276.64-36,926.40

Finding the Fourth Proportional to 89,530.56, 134,276.64 and 36,926.40

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Solution

The fourth proportional to 89,530.56, 134,276.64 and 36,926.40 is: 55,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,530.56 : 134,276.64 = 36,926.40 : x
  2. Step 2: Convert to fraction form
    89,530.56/134,276.64 = 36,926.40/x
  3. Step 3: Cross multiply
    89,530.56x = 134,276.64 × 36,926.40
  4. Step 4: Simplify right side
    89,530.56x = 4,958,352,919.30
  5. Step 5: Solve for x
    x = 4,958,352,919.30/89,530.56
  6. Step 6: Final answer
    x = 55,381.68

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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.