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Finding the Fourth Proportional to 56,244.99, 84,367.46 and 51,551.81

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Solution

The fourth proportional to 56,244.99, 84,367.46 and 51,551.81 is: 77,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,244.99 : 84,367.46 = 51,551.81 : x
  2. Step 2: Convert to fraction form
    56,244.99/84,367.46 = 51,551.81/x
  3. Step 3: Cross multiply
    56,244.99x = 84,367.46 × 51,551.81
  4. Step 4: Simplify right side
    56,244.99x = 4,349,294,588.51
  5. Step 5: Solve for x
    x = 4,349,294,588.51/56,244.99
  6. Step 6: Final answer
    x = 77,327.68

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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.