Home / 89,149.18-133,730.37-29,984.62

Finding the Fourth Proportional to 89,149.18, 133,730.37 and 29,984.62

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Solution

The fourth proportional to 89,149.18, 133,730.37 and 29,984.62 is: 44,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,149.18 : 133,730.37 = 29,984.62 : x
  2. Step 2: Convert to fraction form
    89,149.18/133,730.37 = 29,984.62/x
  3. Step 3: Cross multiply
    89,149.18x = 133,730.37 × 29,984.62
  4. Step 4: Simplify right side
    89,149.18x = 4,009,854,326.91
  5. Step 5: Solve for x
    x = 4,009,854,326.91/89,149.18
  6. Step 6: Final answer
    x = 44,979.15

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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.