Home / 89,648.56-134,433.96-30,468.34

Finding the Fourth Proportional to 89,648.56, 134,433.96 and 30,468.34

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Solution

The fourth proportional to 89,648.56, 134,433.96 and 30,468.34 is: 45,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,648.56 : 134,433.96 = 30,468.34 : x
  2. Step 2: Convert to fraction form
    89,648.56/134,433.96 = 30,468.34/x
  3. Step 3: Cross multiply
    89,648.56x = 134,433.96 × 30,468.34
  4. Step 4: Simplify right side
    89,648.56x = 4,095,979,600.83
  5. Step 5: Solve for x
    x = 4,095,979,600.83/89,648.56
  6. Step 6: Final answer
    x = 45,689.30

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1.5x scale

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.