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Finding the Fourth Proportional to 56,253.40, 84,401.70 and 55,367.80

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Solution

The fourth proportional to 56,253.40, 84,401.70 and 55,367.80 is: 83,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,253.40 : 84,401.70 = 55,367.80 : x
  2. Step 2: Convert to fraction form
    56,253.40/84,401.70 = 55,367.80/x
  3. Step 3: Cross multiply
    56,253.40x = 84,401.70 × 55,367.80
  4. Step 4: Simplify right side
    56,253.40x = 4,673,136,445.26
  5. Step 5: Solve for x
    x = 4,673,136,445.26/56,253.40
  6. Step 6: Final answer
    x = 83,072.96

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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.