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Finding the Fourth Proportional to 96,655.50, 133,384.83 and 56,396.94

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Solution

The fourth proportional to 96,655.50, 133,384.83 and 56,396.94 is: 77,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,655.50 : 133,384.83 = 56,396.94 : x
  2. Step 2: Convert to fraction form
    96,655.50/133,384.83 = 56,396.94/x
  3. Step 3: Cross multiply
    96,655.50x = 133,384.83 × 56,396.94
  4. Step 4: Simplify right side
    96,655.50x = 7,522,496,254.42
  5. Step 5: Solve for x
    x = 7,522,496,254.42/96,655.50
  6. Step 6: Final answer
    x = 77,827.92

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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.