Home / 48,046.58-72,070.13-31,511.32

Finding the Fourth Proportional to 48,046.58, 72,070.13 and 31,511.32

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Solution

The fourth proportional to 48,046.58, 72,070.13 and 31,511.32 is: 47,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,046.58 : 72,070.13 = 31,511.32 : x
  2. Step 2: Convert to fraction form
    48,046.58/72,070.13 = 31,511.32/x
  3. Step 3: Cross multiply
    48,046.58x = 72,070.13 × 31,511.32
  4. Step 4: Simplify right side
    48,046.58x = 2,271,025,201.28
  5. Step 5: Solve for x
    x = 2,271,025,201.28/48,046.58
  6. Step 6: Final answer
    x = 47,267.15

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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.