Home / 58,946.72-81,243.96-51,345.68

Finding the Fourth Proportional to 58,946.72, 81,243.96 and 51,345.68

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Solution

The fourth proportional to 58,946.72, 81,243.96 and 51,345.68 is: 70,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,946.72 : 81,243.96 = 51,345.68 : x
  2. Step 2: Convert to fraction form
    58,946.72/81,243.96 = 51,345.68/x
  3. Step 3: Cross multiply
    58,946.72x = 81,243.96 × 51,345.68
  4. Step 4: Simplify right side
    58,946.72x = 4,171,526,372.09
  5. Step 5: Solve for x
    x = 4,171,526,372.09/58,946.72
  6. Step 6: Final answer
    x = 70,767.74

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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.