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Finding the Fourth Proportional to 75,433.60, 105,468.80 and 75,433.60

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Solution

The fourth proportional to 75,433.60, 105,468.80 and 75,433.60 is: 105,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,433.60 : 105,468.80 = 75,433.60 : x
  2. Step 2: Convert to fraction form
    75,433.60/105,468.80 = 75,433.60/x
  3. Step 3: Cross multiply
    75,433.60x = 105,468.80 × 75,433.60
  4. Step 4: Simplify right side
    75,433.60x = 7,955,891,271.68
  5. Step 5: Solve for x
    x = 7,955,891,271.68/75,433.60
  6. Step 6: Final answer
    x = 105,468.80

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.