Home / 89,921.46-134,965.02-45,579.66

Finding the Fourth Proportional to 89,921.46, 134,965.02 and 45,579.66

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Solution

The fourth proportional to 89,921.46, 134,965.02 and 45,579.66 is: 68,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.46 : 134,965.02 = 45,579.66 : x
  2. Step 2: Convert to fraction form
    89,921.46/134,965.02 = 45,579.66/x
  3. Step 3: Cross multiply
    89,921.46x = 134,965.02 × 45,579.66
  4. Step 4: Simplify right side
    89,921.46x = 6,151,659,723.49
  5. Step 5: Solve for x
    x = 6,151,659,723.49/89,921.46
  6. Step 6: Final answer
    x = 68,411.48

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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.