Home / 48,272.30-72,435.64-37,712.71

Finding the Fourth Proportional to 48,272.30, 72,435.64 and 37,712.71

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Solution

The fourth proportional to 48,272.30, 72,435.64 and 37,712.71 is: 56,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,272.30 : 72,435.64 = 37,712.71 : x
  2. Step 2: Convert to fraction form
    48,272.30/72,435.64 = 37,712.71/x
  3. Step 3: Cross multiply
    48,272.30x = 72,435.64 × 37,712.71
  4. Step 4: Simplify right side
    48,272.30x = 2,731,744,284.98
  5. Step 5: Solve for x
    x = 2,731,744,284.98/48,272.30
  6. Step 6: Final answer
    x = 56,590.31

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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.