Home / 48,342.86-72,511.35-28,746.12

Finding the Fourth Proportional to 48,342.86, 72,511.35 and 28,746.12

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Solution

The fourth proportional to 48,342.86, 72,511.35 and 28,746.12 is: 43,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,342.86 : 72,511.35 = 28,746.12 : x
  2. Step 2: Convert to fraction form
    48,342.86/72,511.35 = 28,746.12/x
  3. Step 3: Cross multiply
    48,342.86x = 72,511.35 × 28,746.12
  4. Step 4: Simplify right side
    48,342.86x = 2,084,419,968.46
  5. Step 5: Solve for x
    x = 2,084,419,968.46/48,342.86
  6. Step 6: Final answer
    x = 43,117.44

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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.