Home / 89,647.56-134,432.46-30,467.34

Finding the Fourth Proportional to 89,647.56, 134,432.46 and 30,467.34

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Solution

The fourth proportional to 89,647.56, 134,432.46 and 30,467.34 is: 45,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,647.56 : 134,432.46 = 30,467.34 : x
  2. Step 2: Convert to fraction form
    89,647.56/134,432.46 = 30,467.34/x
  3. Step 3: Cross multiply
    89,647.56x = 134,432.46 × 30,467.34
  4. Step 4: Simplify right side
    89,647.56x = 4,095,799,465.86
  5. Step 5: Solve for x
    x = 4,095,799,465.86/89,647.56
  6. Step 6: Final answer
    x = 45,687.80

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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.