Home / 48,187.52-72,281.28-31,767.68

Finding the Fourth Proportional to 48,187.52, 72,281.28 and 31,767.68

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Solution

The fourth proportional to 48,187.52, 72,281.28 and 31,767.68 is: 47,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,187.52 : 72,281.28 = 31,767.68 : x
  2. Step 2: Convert to fraction form
    48,187.52/72,281.28 = 31,767.68/x
  3. Step 3: Cross multiply
    48,187.52x = 72,281.28 × 31,767.68
  4. Step 4: Simplify right side
    48,187.52x = 2,296,208,573.03
  5. Step 5: Solve for x
    x = 2,296,208,573.03/48,187.52
  6. Step 6: Final answer
    x = 47,651.52

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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.