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Finding the Fourth Proportional to 51,323.60, 69,403.50 and 51,323.60

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Solution

The fourth proportional to 51,323.60, 69,403.50 and 51,323.60 is: 69,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,323.60 : 69,403.50 = 51,323.60 : x
  2. Step 2: Convert to fraction form
    51,323.60/69,403.50 = 51,323.60/x
  3. Step 3: Cross multiply
    51,323.60x = 69,403.50 × 51,323.60
  4. Step 4: Simplify right side
    51,323.60x = 3,562,037,472.60
  5. Step 5: Solve for x
    x = 3,562,037,472.60/51,323.60
  6. Step 6: Final answer
    x = 69,403.50

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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.