Home / 57,296.81-79,065.96-31,803.68

Finding the Fourth Proportional to 57,296.81, 79,065.96 and 31,803.68

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Solution

The fourth proportional to 57,296.81, 79,065.96 and 31,803.68 is: 43,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,296.81 : 79,065.96 = 31,803.68 : x
  2. Step 2: Convert to fraction form
    57,296.81/79,065.96 = 31,803.68/x
  3. Step 3: Cross multiply
    57,296.81x = 79,065.96 × 31,803.68
  4. Step 4: Simplify right side
    57,296.81x = 2,514,588,569.13
  5. Step 5: Solve for x
    x = 2,514,588,569.13/57,296.81
  6. Step 6: Final answer
    x = 43,887.06

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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.