Home / 48,693.61-73,081.86-19,132.12

Finding the Fourth Proportional to 48,693.61, 73,081.86 and 19,132.12

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Solution

The fourth proportional to 48,693.61, 73,081.86 and 19,132.12 is: 28,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,693.61 : 73,081.86 = 19,132.12 : x
  2. Step 2: Convert to fraction form
    48,693.61/73,081.86 = 19,132.12/x
  3. Step 3: Cross multiply
    48,693.61x = 73,081.86 × 19,132.12
  4. Step 4: Simplify right side
    48,693.61x = 1,398,210,915.34
  5. Step 5: Solve for x
    x = 1,398,210,915.34/48,693.61
  6. Step 6: Final answer
    x = 28,714.46

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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.