Home / 89,618.76-134,511.17-45,276.76

Finding the Fourth Proportional to 89,618.76, 134,511.17 and 45,276.76

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Solution

The fourth proportional to 89,618.76, 134,511.17 and 45,276.76 is: 67,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,618.76 : 134,511.17 = 45,276.76 : x
  2. Step 2: Convert to fraction form
    89,618.76/134,511.17 = 45,276.76/x
  3. Step 3: Cross multiply
    89,618.76x = 134,511.17 × 45,276.76
  4. Step 4: Simplify right side
    89,618.76x = 6,090,229,961.41
  5. Step 5: Solve for x
    x = 6,090,229,961.41/89,618.76
  6. Step 6: Final answer
    x = 67,957.09

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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.