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Finding the Fourth Proportional to 96,475.59, 133,136.72 and 56,216.97

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Solution

The fourth proportional to 96,475.59, 133,136.72 and 56,216.97 is: 77,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,475.59 : 133,136.72 = 56,216.97 : x
  2. Step 2: Convert to fraction form
    96,475.59/133,136.72 = 56,216.97/x
  3. Step 3: Cross multiply
    96,475.59x = 133,136.72 × 56,216.97
  4. Step 4: Simplify right side
    96,475.59x = 7,484,542,047.37
  5. Step 5: Solve for x
    x = 7,484,542,047.37/96,475.59
  6. Step 6: Final answer
    x = 77,579.65

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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.