Home / 89,457.36-123,451.47-49,174.62

Finding the Fourth Proportional to 89,457.36, 123,451.47 and 49,174.62

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Solution

The fourth proportional to 89,457.36, 123,451.47 and 49,174.62 is: 67,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.36 : 123,451.47 = 49,174.62 : x
  2. Step 2: Convert to fraction form
    89,457.36/123,451.47 = 49,174.62/x
  3. Step 3: Cross multiply
    89,457.36x = 123,451.47 × 49,174.62
  4. Step 4: Simplify right side
    89,457.36x = 6,070,679,125.69
  5. Step 5: Solve for x
    x = 6,070,679,125.69/89,457.36
  6. Step 6: Final answer
    x = 67,861.15

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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.