Home / 89,077.68-133,616.88-42,305.04

Finding the Fourth Proportional to 89,077.68, 133,616.88 and 42,305.04

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Solution

The fourth proportional to 89,077.68, 133,616.88 and 42,305.04 is: 63,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,077.68 : 133,616.88 = 42,305.04 : x
  2. Step 2: Convert to fraction form
    89,077.68/133,616.88 = 42,305.04/x
  3. Step 3: Cross multiply
    89,077.68x = 133,616.88 × 42,305.04
  4. Step 4: Simplify right side
    89,077.68x = 5,652,667,453.08
  5. Step 5: Solve for x
    x = 5,652,667,453.08/89,077.68
  6. Step 6: Final answer
    x = 63,457.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.