Home / 89,457.39-123,452.28-49,170.87

Finding the Fourth Proportional to 89,457.39, 123,452.28 and 49,170.87

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Solution

The fourth proportional to 89,457.39, 123,452.28 and 49,170.87 is: 67,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.39 : 123,452.28 = 49,170.87 : x
  2. Step 2: Convert to fraction form
    89,457.39/123,452.28 = 49,170.87/x
  3. Step 3: Cross multiply
    89,457.39x = 123,452.28 × 49,170.87
  4. Step 4: Simplify right side
    89,457.39x = 6,070,256,011.08
  5. Step 5: Solve for x
    x = 6,070,256,011.08/89,457.39
  6. Step 6: Final answer
    x = 67,856.40

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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.