Home / 52,543.68-72,507.60-28,669.20

Finding the Fourth Proportional to 52,543.68, 72,507.60 and 28,669.20

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Solution

The fourth proportional to 52,543.68, 72,507.60 and 28,669.20 is: 39,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.68 : 72,507.60 = 28,669.20 : x
  2. Step 2: Convert to fraction form
    52,543.68/72,507.60 = 28,669.20/x
  3. Step 3: Cross multiply
    52,543.68x = 72,507.60 × 28,669.20
  4. Step 4: Simplify right side
    52,543.68x = 2,078,734,885.92
  5. Step 5: Solve for x
    x = 2,078,734,885.92/52,543.68
  6. Step 6: Final answer
    x = 39,562.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.