Home / 57,299.19-79,071.64-31,804.06

Finding the Fourth Proportional to 57,299.19, 79,071.64 and 31,804.06

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Solution

The fourth proportional to 57,299.19, 79,071.64 and 31,804.06 is: 43,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299.19 : 79,071.64 = 31,804.06 : x
  2. Step 2: Convert to fraction form
    57,299.19/79,071.64 = 31,804.06/x
  3. Step 3: Cross multiply
    57,299.19x = 79,071.64 × 31,804.06
  4. Step 4: Simplify right side
    57,299.19x = 2,514,799,182.86
  5. Step 5: Solve for x
    x = 2,514,799,182.86/57,299.19
  6. Step 6: Final answer
    x = 43,888.91

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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.