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Finding the Fourth Proportional to 53,165.60, 79,748.40 and 53,165.60

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Solution

The fourth proportional to 53,165.60, 79,748.40 and 53,165.60 is: 79,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.60 : 79,748.40 = 53,165.60 : x
  2. Step 2: Convert to fraction form
    53,165.60/79,748.40 = 53,165.60/x
  3. Step 3: Cross multiply
    53,165.60x = 79,748.40 × 53,165.60
  4. Step 4: Simplify right side
    53,165.60x = 4,239,871,535.04
  5. Step 5: Solve for x
    x = 4,239,871,535.04/53,165.60
  6. Step 6: Final answer
    x = 79,748.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.