Home / 52,613.12-72,603.33-28,739.45

Finding the Fourth Proportional to 52,613.12, 72,603.33 and 28,739.45

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Solution

The fourth proportional to 52,613.12, 72,603.33 and 28,739.45 is: 39,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613.12 : 72,603.33 = 28,739.45 : x
  2. Step 2: Convert to fraction form
    52,613.12/72,603.33 = 28,739.45/x
  3. Step 3: Cross multiply
    52,613.12x = 72,603.33 × 28,739.45
  4. Step 4: Simplify right side
    52,613.12x = 2,086,579,772.37
  5. Step 5: Solve for x
    x = 2,086,579,772.37/52,613.12
  6. Step 6: Final answer
    x = 39,658.92

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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.