Home / 59,509.83-82,146.43-40,398.15

Finding the Fourth Proportional to 59,509.83, 82,146.43 and 40,398.15

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Solution

The fourth proportional to 59,509.83, 82,146.43 and 40,398.15 is: 55,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,509.83 : 82,146.43 = 40,398.15 : x
  2. Step 2: Convert to fraction form
    59,509.83/82,146.43 = 40,398.15/x
  3. Step 3: Cross multiply
    59,509.83x = 82,146.43 × 40,398.15
  4. Step 4: Simplify right side
    59,509.83x = 3,318,563,897.36
  5. Step 5: Solve for x
    x = 3,318,563,897.36/59,509.83
  6. Step 6: Final answer
    x = 55,764.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.