Home / 52,988.58-79,474.37-13,543.61

Finding the Fourth Proportional to 52,988.58, 79,474.37 and 13,543.61

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Solution

The fourth proportional to 52,988.58, 79,474.37 and 13,543.61 is: 20,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988.58 : 79,474.37 = 13,543.61 : x
  2. Step 2: Convert to fraction form
    52,988.58/79,474.37 = 13,543.61/x
  3. Step 3: Cross multiply
    52,988.58x = 79,474.37 × 13,543.61
  4. Step 4: Simplify right side
    52,988.58x = 1,076,369,407.19
  5. Step 5: Solve for x
    x = 1,076,369,407.19/52,988.58
  6. Step 6: Final answer
    x = 20,313.23

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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.