Home / 89,457.86-123,452.16-49,175.12

Finding the Fourth Proportional to 89,457.86, 123,452.16 and 49,175.12

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Solution

The fourth proportional to 89,457.86, 123,452.16 and 49,175.12 is: 67,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.86 : 123,452.16 = 49,175.12 : x
  2. Step 2: Convert to fraction form
    89,457.86/123,452.16 = 49,175.12/x
  3. Step 3: Cross multiply
    89,457.86x = 123,452.16 × 49,175.12
  4. Step 4: Simplify right side
    89,457.86x = 6,070,774,782.26
  5. Step 5: Solve for x
    x = 6,070,774,782.26/89,457.86
  6. Step 6: Final answer
    x = 67,861.84

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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.