Home / 53,145.96-79,732.02-15,705.84

Finding the Fourth Proportional to 53,145.96, 79,732.02 and 15,705.84

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Solution

The fourth proportional to 53,145.96, 79,732.02 and 15,705.84 is: 23,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.96 : 79,732.02 = 15,705.84 : x
  2. Step 2: Convert to fraction form
    53,145.96/79,732.02 = 15,705.84/x
  3. Step 3: Cross multiply
    53,145.96x = 79,732.02 × 15,705.84
  4. Step 4: Simplify right side
    53,145.96x = 1,252,258,349.00
  5. Step 5: Solve for x
    x = 1,252,258,349.00/53,145.96
  6. Step 6: Final answer
    x = 23,562.63

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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.