Home / 79,840.35-119,654.13-37,731.62

Finding the Fourth Proportional to 79,840.35, 119,654.13 and 37,731.62

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Solution

The fourth proportional to 79,840.35, 119,654.13 and 37,731.62 is: 56,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,840.35 : 119,654.13 = 37,731.62 : x
  2. Step 2: Convert to fraction form
    79,840.35/119,654.13 = 37,731.62/x
  3. Step 3: Cross multiply
    79,840.35x = 119,654.13 × 37,731.62
  4. Step 4: Simplify right side
    79,840.35x = 4,514,743,566.32
  5. Step 5: Solve for x
    x = 4,514,743,566.32/79,840.35
  6. Step 6: Final answer
    x = 56,547.14

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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.