Home / 48,932.08-67,526.40-28,789.72

Finding the Fourth Proportional to 48,932.08, 67,526.40 and 28,789.72

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Solution

The fourth proportional to 48,932.08, 67,526.40 and 28,789.72 is: 39,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,932.08 : 67,526.40 = 28,789.72 : x
  2. Step 2: Convert to fraction form
    48,932.08/67,526.40 = 28,789.72/x
  3. Step 3: Cross multiply
    48,932.08x = 67,526.40 × 28,789.72
  4. Step 4: Simplify right side
    48,932.08x = 1,944,066,148.61
  5. Step 5: Solve for x
    x = 1,944,066,148.61/48,932.08
  6. Step 6: Final answer
    x = 39,729.89

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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.