Home / 89,455.72-134,200.60-30,275.50

Finding the Fourth Proportional to 89,455.72, 134,200.60 and 30,275.50

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Solution

The fourth proportional to 89,455.72, 134,200.60 and 30,275.50 is: 45,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,455.72 : 134,200.60 = 30,275.50 : x
  2. Step 2: Convert to fraction form
    89,455.72/134,200.60 = 30,275.50/x
  3. Step 3: Cross multiply
    89,455.72x = 134,200.60 × 30,275.50
  4. Step 4: Simplify right side
    89,455.72x = 4,062,990,265.30
  5. Step 5: Solve for x
    x = 4,062,990,265.30/89,455.72
  6. Step 6: Final answer
    x = 45,419.01

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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.