Home / 89,457.84-123,454.44-49,172.76

Finding the Fourth Proportional to 89,457.84, 123,454.44 and 49,172.76

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Solution

The fourth proportional to 89,457.84, 123,454.44 and 49,172.76 is: 67,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.84 : 123,454.44 = 49,172.76 : x
  2. Step 2: Convert to fraction form
    89,457.84/123,454.44 = 49,172.76/x
  3. Step 3: Cross multiply
    89,457.84x = 123,454.44 × 49,172.76
  4. Step 4: Simplify right side
    89,457.84x = 6,070,595,549.05
  5. Step 5: Solve for x
    x = 6,070,595,549.05/89,457.84
  6. Step 6: Final answer
    x = 67,859.85

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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.