Home / 89,555.76-134,336.88-30,397.68

Finding the Fourth Proportional to 89,555.76, 134,336.88 and 30,397.68

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Solution

The fourth proportional to 89,555.76, 134,336.88 and 30,397.68 is: 45,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.76 : 134,336.88 = 30,397.68 : x
  2. Step 2: Convert to fraction form
    89,555.76/134,336.88 = 30,397.68/x
  3. Step 3: Cross multiply
    89,555.76x = 134,336.88 × 30,397.68
  4. Step 4: Simplify right side
    89,555.76x = 4,083,529,490.44
  5. Step 5: Solve for x
    x = 4,083,529,490.44/89,555.76
  6. Step 6: Final answer
    x = 45,597.62

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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.