Home / 89,457.58-123,450.42-49,170.30

Finding the Fourth Proportional to 89,457.58, 123,450.42 and 49,170.30

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Solution

The fourth proportional to 89,457.58, 123,450.42 and 49,170.30 is: 67,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.58 : 123,450.42 = 49,170.30 : x
  2. Step 2: Convert to fraction form
    89,457.58/123,450.42 = 49,170.30/x
  3. Step 3: Cross multiply
    89,457.58x = 123,450.42 × 49,170.30
  4. Step 4: Simplify right side
    89,457.58x = 6,070,094,186.53
  5. Step 5: Solve for x
    x = 6,070,094,186.53/89,457.58
  6. Step 6: Final answer
    x = 67,854.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.